城市轨道交通客运服务英语 第3版 课件汇 Chapter 1 The Rapid Development of Chinas Subway System-Chapter 7 Security Checks

Chapter1TheRapidDevelopmentofChina’sSubwaySystem

OBJECTIVESUnderstandthecharacteristicsofChina’ssubways.TalkaboutthedevelopmentofChina’ssubwaysystem.BeproudofthetechnicalcapabilitiesofChina’ssubwaysystem.KnowledgeAbilityMoralityMetroFacilities地铁设备MetroCulture地铁文化ComplementaryReadingListeningandSpeakingExerciseReadingandWritingWarm-upCommunicativeActivityCONTENTSWarm-upGuesswhichcity’ssubwaysinthepicturebelow.DialogueADoYouKnowWhenChina’sFirstSubwayWasOperated?Activity1:Listenandguess.1.WhendidChina’sfirstsubwayoperate?____________________________________________________2.Whichwordhasthesamemeaningwiththeword“metro”?

That’stheBeijingsubway,whichstartedoperatingin1971.subway.Lily:Dad,doyouknowwhenChina’sfirstsubwaystartedoperating?Dad:Ofcourse,Iknow.That’stheBeijingsubway,whichstartedoperatingin1971.Lily:WhyisthesubwayinBeijingcalledBeijingSubway,whilethesubwayinShanghaiiscalledShanghaiMetro?Dad:Theybothmeanthesamething.MostsubwaysinChinaarecalledMETRO,andonlyafewcitiesarecalledSUBWAY.Lily:Iunderstand.Dad:Asweallknow,China’ssubwayshavedevelopedrapidlyinrecentyears.DialogueADoYouKnowWhenChina’sFirstSubwayWasOperated?Lily:ItissaidthattheBeijingsubwayranksfirstintermsofsafetyandreliabilityinChinaandevenglobally.Dad:Yes,youneedtoworkhardandcontributetothedevelopmentofChina’ssubwaysystem.Lily:Okay,Iwilldefinitelyworkhard.DialogueADoYouKnowWhenChina’sFirstSubwayWasOperated?DialogueADoYouKnowWhenChina’sFirstSubwayWasOperated?Activity2:Listenagainandtrytofillintheblanks.1.MostsubwaysinChinaarecalled________.

2.China’ssubwayshave

rapidlyinrecentyears.METROdeveloped

DialogueADoYouKnowWhenChina’sFirstSubwayWasOperated?Activity3:Workinpairs.Practicethedialoguewithyourpartner.Activity4:Roleplay.Dialoguewithgivenwords.DialogueADoYouKnowWhenChina’sFirstSubwayWasOperated?DialogueB

WhatSpeedCantheFastestSubwayReach?Activity5:Thinkandanswer.Whatspeedcanthefastestsubwayreach?____________________________________________________

2.IsthetrainontheDaxingAirportExpressunmanned?

____________________________________________________Thefastestsubwaycanreachaspeedof160kilometersperhour.Yes.TheDaxingAirportExpressisunmanned.WangDong:Canyoutellmewhatspeedthefastestsubwaycanreach?Teacher:Thefastestsubwaycanreachaspeedof160kilometersperhour.WangDong:Wherearethey?Teacher:ThefastestsubwayisinChina.Sofar,therearefourfastestsubwaysinChina.OneistheDaxingAirportExpress,whichisalsooneofthemostmodernsubwaysintheworld.TheChengduMetroLine19,whichoperatedattheendof2023,alsoreachedaspeedof160kilometersperhour.Inaddition,GuangzhouMetroLine18andLine22alsocanreachthatspeed.DialogueB

WhatSpeedCantheFastestSubwayReach?WangDong:TheDaxingAirportExpressisveryfamous.Isthisanunmannedtrain?Teacher:Yes.TheDaxingAirportExpressisunmanned.WangDong:IwillworkhardtostudyandtrymybesttoworkfortheChina’ssubwayinthefuture.Teacher:Ofcourse,youwill,goodchild.DialogueB

WhatSpeedCantheFastestSubwayReach?DialogueBSubwayBroadcastingShouldbeCheerfulandClearActivity6:Listenagainandtrytofillintheblanks.Thefastestsubwaycanreachaspeedof

kilometersperhour.Thefastestsubwayisin

.160DialogueBSubwayBroadcastingShouldbeCheerfulandClearChinaActivity7:Workinpairs.Practicethedialoguewithyourpartner.Activity8:Roleplay.DialoguewithgivenwordsDialogueB

WhatSpeedCantheFastestSubwayReach?ChooseProperWordstoFillintheBlanks1.That’stheBeijingsubway,whichstarted_______in1971.(operating/operation)2.TheDaxingAirportExpressis_______.(manned/unmanned)3.Thefastestsubwaycanreachaspeedof160kilometers_______hour.(per/every)4.Iwillworkhardtostudyandtrymy_______toworkforChina’ssubwayinthefuture.(help/best)5.China’ssubwayshave________rapidlyinrecentyears.(developing/developed)6.It’ssaidthattheBeijingsubwayranksfirstintermsofsafetyand______(reliability/reliable)inChinaandevenglobally.7.Safetyisalwaysthetop______forsubwayoperation.(priority/choose)8.China’ssubways______alargenumberofpassengerseveryday.(ride/carry)9.Chinahasthemostsubway________intheworld.(lines/line)

Exercise

ExerciseChooseProperWordstoFillintheBlanks1.That’stheBeijingsubway,whichstarted_______in1971.(operating/operation)2.TheDaxingAirportExpressis_______.(manned/unmanned)3.Thefastestsubwaycanreachaspeedof160kilometers_______hour.(per/every)4.Iwillworkhardtostudyandtrymy_______toworkforChina’ssubwayinthefuture.(help/best)5.China’ssubwayshave________rapidlyinrecentyears.(developing/developed)6.It’ssaidthattheBeijingsubwayranksfirstintermsofsafetyand______(reliability/reliable)inChinaandevenglobally.7.Safetyisalwaysthetop______forsubwayoperation.(priority/choose)8.China’ssubways______alargenumberofpassengerseveryday.(ride/carry)9.Chinahasthemostsubway________intheworld.(lines/line)TranslatetheFollowingSentencesintoEnglish1.未来我会努力学习，尽我最大的努力为中国的地铁工作。

2.中国地铁近年来发展迅速。

3.据说中国地铁是全球安全性和可靠度排名第一的地铁。

4.安全始终是地铁运营的首要任务。5.中国地铁每天运送大量的乘客。

6.在中国，地铁已成为人们日常生活的重要交通方式。7.大兴机场快线是无人驾驶。8.中国的地铁系统非常先进且高效。9.北京地铁里处处体现着中国的传统文化。

10.中国拥有世界上最多的地铁线路。

ExerciseTranslatetheFollowingSentencesintoEnglishInthefuture,IwillstudyhardanddomyutmosttoworkfortheChinesesubwaysystem.Inrecentyears,thedevelopmentofChina'ssubwaysystemhasbeenrapid.tissaidthatChina'ssubwayisrankedfirstintheworldintermsofsafetyandreliability.Safetyisalwaystheprimarytaskinsubwayoperations.China'ssubwaystransportalargenumberofpassengerseveryday.InChina,subwayshavebecomeanimportantmodeoftransportationinpeople'sdailylives.TheDaxingAirportExpressisdriverless.China'ssubwaysystemisveryadvancedandefficient.TheBeijingsubwayisfilledwithelementsoftraditionalChineseculture.Chinahasthemostsubwaylinesintheworld.ExerciseTheChengduMetroLine19TheChengduMetroLine19,whichwasfullyoperationalonNovember28,2023,hasbecomeanewbenchmarkforurbansubwaysinChinaduetoitslongestsinglelinemileage!ThevehicleofLine19isaA-typevehicle,whichwithamaximumoperatingspeedof160kilometersperhour.Fromdesign,researchanddevelopment,manufacturingtoassembly,itisentirelycompletedbyChengduRailGroupanddemonstratesthestrongstrengthofChina’srailtransitindustry.ThesubwayvehiclesofLine19haveadoptedaseriesofadvancedtechnologies,suchascarbonfibercompositematerialbody(碳纤维复合材料车体),newenergy-savingandenvironment-friendlyairconditioning(新型节能环保空调),etc.,whichhaveachievedsignificantresultsinlightweight,energy-savingandconsumptionreduction.TheChengduMetroLine19Activity9:Readandanswer.WhichsubwayisthelongestsinglelinemileageinChina?

____________________________________________________2.WhatadvancedtechnologieshavethesubwayvehiclesofLine19adopted?

____________________________________________________TheChengduMetroLine19.ThesubwayvehiclesofLine19haveadoptedaseriesofadvancedtechnologies,suchascarbonfibercompositematerialbody(碳纤维复合材料车体),newenergy-savingandenvironment-friendlyairconditioning(新型节能环保空调).TheChengduMetroLine19TheConvenientandEfficientSubwayActivity10:Readandwrite(Readthefollowingparagraphsandfillintheblankswithproperwords).importantspeedInmoderncities,subwayhasbecomeakindof_________meansofpublictransport,whichhashightransportability,fast_________,andisonschedule(时刻表).Italsohasindependent(独立的)operationlines,withoutintersections(交叉)withbusortrainroutes.Besidesoperatingintheunderground,somesubwaysalso_________abovetheground.TheConvenientandEfficientSubwayThe_________subwaysystem,theLondon____________,firstopenedasan“undergroundrailway”in1863,anditsfirstelectrified(电气化的)undergroundlineopenedin1890,makingtheLondonUndergroundtheworld’sfirstmetro___________.ThefirstlineofBeijingsubwayoperatedin1971.BeforetheBeijing2008OlympicGames,therewerethreesubwaysputinto_________inoneyear.Thenewlybuiltsubwayequipmentcanreachtheworld-class_________.runearliestoperationundergroudsystemlevelDiscussthefollowingtopicsingroupsoffive.Theadvantagesanddisadvantagesofsubways.CommunicativeActivityTheworld’sfirstsubwaywasbuiltinLondon,Englandin1863,calledMetropolitanandDistrictRailway.Atthattime,theycalledthesubway“theunderground”.Undergroundmeans“underground,hidden,secret”,referringtorailwaysbuiltunderground.Butduetothelengthofthisword,peopletendedtouseitinspokenlanguage,meaning“tube/tub”.Becausethesubwaylookedlikeabigpipeatthetime.InFrenchspeakingcountries,thesubwayisusuallycalled“metro”incolloquiallanguage,whichcomesfromFrenchMetropolitan.Initscompleteform,itisthemetropolitanrailway,whichliterallymeans“therailwayinthecity”,ortranslatedas“metropolitanrailway”.Laterabbreviatedasmetro,itwasabsorbedbyEnglishandwrittenasmetro.Relativelyspeaking,metroismoreuniversalworldwide.Mostbigcitiesusemetrosystems.HowManyNamesDoSubwaysHaveinEnglish?SubwayismorecommonlyusedintheUnitedStates.Thisworddidnotoriginallymeansubway,butreferringto“pedestrianunderpasses”.Submeans“below...”.Subwayoriginallyreferedtoanundergroundpassagethatallowedpeopletowalkthroughabusyroad,wasequivalenttothemorefamiliarunderpass.In1897,thefirstsubwayintheUnitedStateswasopened.InordertodistinguishfromtheUK,thesubwaywasnotspecificallyreferredtoasunderground,buttheterm“subway”wasusedinstead.HowManyNamesDoSubwaysHaveinEnglish?Overall,theUnitedStatesusessubway;UndergroundisusedintheUK;InFrenchspeakingcountriesandmostotherregions,metroisused.HowManyNamesDoSubwaysHaveinEnglish?感/谢/观/看THANKSFORWATCHING城市轨道交通专业核心课程数字资源课程名称：城市轨道交通客运服务英语教材名称：《城市轨道交通客运服务英语》书号：ISBN978-7-114-19419-1主编：徐胜南资源名称：PPT课件

Chapter2SubwayFacilitiesandEquipment

OBJECTIVESMasterthevocabulariesofsubwayfacilitiesandequipment.Canexplainthefunctionsofsubwayfacilities.Becomeasubwaystaffwithprofessionaltechnicalskills.KnowledgeAbilityMoralityMetroFacilities地铁设备MetroCulture地铁文化ComplementaryReadingListeningandSpeakingExerciseReadingandWritingWarm-upCommunicativeActivityCONTENTSWarm-upTodayisLily’sfirstdayworkingatthesubwaystation.ThefollowingsignsarethesubwaysignsofsomemajorcitiesinChina.Canyouguesswhichcitiestheyare?DialogueAHowMuchDoYouKnowAbouttheSubway?Activity1:Listenandguess.1.Whatfacilitiesarethereinsubwaytrains?____________________________________________________2.What’sthefunctionofanAutomaticGateMachine?

Inadditiontoseatsandhandrails,therearealsomanyvisiblefacilitiesandequipmentinasubwaycarriage,suchasemergencycommunicationdevices,emergencyunlockingdevices,fireextinguishers,wheelchairstabilizers.Openthegate.WangDong:Whatfacilitiesarethereinsubwaytrains?Lily:Inadditiontoseatsandhandrails,therearealsomanyvisiblefacilitiesandequipmentinasubwaycarriage,suchasemergencycommunicationdevices,emergencyunlockingdevices,fireextinguishers,wheelchairstabilizers,etc.Weallneedtounderstandtheirlocationsandcorrectusagemethods.WangDong:Whatfacilitiesarethereinsubwaystations?DialogueAHowMuchDoYouKnowAbouttheSubway?Lily:Thefacilitiesinsubwaystationsmainlyconsistoftheseparts:escalatorsandelevators;AutomaticGateMachine(AGM);PlatformScreenDoor(PSD);TicketVendingMachine(TVM)andstationsignsandbroadcasting.Dad:Asweallknow,China’ssubwayshavedevelopedrapidlyinrecentyears.WangDong:CanyoutellmehowtousetheAutomaticGateMachine?Lily:WhenusingtheAutomaticGateMachine,pleasestandoutsidetheyellowline,holdtheboardingcard/codeinthesensingarea,waitforthegatetoopen,andpassquicklyafteritopens.DialogueAHowMuchDoYouKnowAbouttheSubway?DialogueAHowMuchDoYouKnowAbouttheSubway?Activity2:Listenagainandtrytofillintheblanks.1.Thereare

inasubwaycarriage.

2.Thefacilitiesinsubwaystationsmainlyconsistoftheseparts:

.manyvisiblefacilitiesandequipmentescalatorsandelevators;AutomaticGateMachine(AGM);PlatformScreenDoor(PSD);TicketVendingMachine(TVM)andstationsignsandbroadcasting.DialogueAHowMuchDoYouKnowAbouttheSubway?Activity3:Workinpairs.Practicethedialoguewithyourpartner.Activity4:Roleplay.Dialoguewithgivenwords.DialogueAHowMuchDoYouKnowAbouttheSubway?DialogueB

WhatArethePrecautionsforUsingSubwayFacilities?Activity5:Thinkandanswer.Howtoenterandexitthesubwaystation?____________________________________________________

2.Canyousaywhatthestationsignsandbroadcastingarefor?____________________________________________________Whenenteringandexitingthesubwaystation,wewillchoosetouseescalators,elevators,orstairs.Inthesubwaystation,itisrecommendedtocarefullybrowsetherelevantsignsandtravelinformation,whilepayingattentiontothestationbroadcastandfollowingthesafetytipsofthestaff.ZhangQiang:Goodmorning!WangDong:Goodmorning!ZhangQiang:Couldyoutellmehowtoenterandexitthesubwaystation?WangDong:Whenenteringandexitingthesubwaystation,wewillchoosetouseescalators,elevators,orstairs.Whenusinganescalator,itisnecessarytoholdthehandrailtightly,donotlean,standfirmlywithyourfeet.Donotstepontheyellowline,Donotplayontheescalator,andpayattentiontothegapsunderyourfeet.Forpassengerscarryinglargeluggage,strollersorwheelchairs,itisrecommendedtouseanelevator.DialogueB

WhatArethePrecautionsforUsingSubwayFacilities?ZhangQiang:Canyoutellmewhatthestationsignsandbroadcastingarefor?WangDong:Inthesubwaystation,itisrecommendedtocarefullybrowsetherelevantsignsandtravelinformation,whilepayingattentiontothestationbroadcastandfollowingthesafetytipsofthestaff.Whentakingthetrain,youshouldfollowtheinstructionsandwaitinthewaitingarea.Afterthetrainarrives,pleasegetofffirstandthengeton.Donotrushthroughthedoor.DialogueB

WhatArethePrecautionsforUsingSubwayFacilities?DialogueB

WhatArethePrecautionsforUsingSubwayFacilities?Activity6:Listenagainandtrytofillintheblanks.Whenenteringandexitingthesubwaystation,wewillchoosetouse

,

,orstairs.Inthesubwaystation,itisrecommendedtocarefullybrowsetherelevant

andtravelinformation,whilepayingattentiontothestation

andfollowingthesafetytipsofthestaff.escalatorsDialogueB

WhatArethePrecautionsforUsingSubwayFacilities?elevatorssignsbroadcastActivity7:Workinpairs.Practicethedialoguewithyourpartner.Activity8:Roleplay.DialoguewithgivenwordsDialogueB

WhatArethePrecautionsforUsingSubwayFacilities?MatchtheFollowingPictureswiththeGivenWords

ExerciseMatchtheFollowingPictureswiththeGivenWords

ExerciseMetroVehicleSignsAutomaticGateMachineCabPSLDoorInformationScreenBroadcastingSystemSecurityInspectionMachineTranslatetheFollowingWordsintoEnglish

ExerciseTranslatetheFollowingSentencesintoEnglish

ExerciseTurnstileAutomaticTicketVendingMachineInformationDisplayBoardPlatformScreenDoorEscalatorVerticalElevatorTrackThetrackisthebasisofrailwayoperation.Togivethetrainagoodride,thetrackalignmentmustbesetwithinamillimeter.Thetrackdesignandconstructionisapartofacomplexengineeringscienceinvolvingearthwork,steelwork,timber,suspensionsystemandtheinfrastructureoftherailway.Thetrackisafundamentalpartoftherailwayinfrastructure,andalsoknownasthepermanentway.Itconsistsoftherails,fasteners,sleepersandballasts.Theusualtrackformconsistsofthetwosteelrails,securedonthesleeperssoastokeeptherailsatthecorrectdistanceapartandcapableofsupportingtheweightoftrains.Traditionally,thesleepersarewooden.Nowadays,theconcretesleepersaremorepopular,andtheyaremuchheavierthanthewoodenones,sotheyresistmovementbetter.Thetypicalconcretesleepersareasshowninthephotosabove.TrackActivity9:Readandanswer.Whatareinvolvedinthetrackdesignandconstruction?

____________________________________________________2.Canyoutalkaboutthetrackstructure?

____________________________________________________

3.Whyaretheconcretesleepersmorepopularnowadays?

____________________________________________________Thetrackdesignandconstructionisapartofacomplexengineeringscienceinvolvingearthwork,steelwork,timber,suspensionsystemandtheinfrastructureoftherailway.Thetrackisafundamentalpartoftherailwayinfrastructure,andalsoknownasthepermanentway.Itconsistsoftherails,fasteners,sleepersandballasts.Nowadays,theconcretesleepersaremorepopular,andtheyaremuchheavierthanthewoodenones,sotheyresistmovementbetter.TrackAssistanceStationsandFireEquipmentCabinetsActivity10:Readandwrite(Readthefollowingparagraphsandfillintheblankswithproperwords).Everystationplatformis__________withseveralassistancestationsforemergencyuse.Thesecabinetsincludeadirect__________tothesubwaycontrolcenter,aswitchallowingthecurrenttothe__________tobecutoff,andafireextinguisher.Theyareidentifiedwiththeredoryellowhandsignals,aswellasspecialredoryellowlightsinsome__________.Severalstationsalsohavedirectassistancetelephonesinstalledelsewhereinthestation,suchasinsomefar-flungaccessesandautomaticentries.Allstationplatformsareequippedwith__________cabinetsattheendoftheplatforms.Thesecontainafirehoseanda__________allowingthepowertothetrackstobecutoff.equippedtelephonetracksstationsfireequipmentswitchDiscussthefollowingtopicsingroupsoffive.WangDongandLilyareintroducingthenamesandusagemethodsofBeijingsubwayfacilitiesandequipmenttoZhangQiang.CommunicativeActivityFeaturingthe31stFISU(国际大学生体育联合会)WorldUniversityGames,thesubwaystationopenedonMondayinChengdu,hostcityofthebiennialSummerUniversityGames.Rongbao,mascot(吉祥物)ofthe31stFISUWorldUniversityGameswasonshowataUniversiadethemedsubwaystationinChengdu,southwestChina’sSichuanProvince,June20th,2023.UniversiadeThemedSubwayStationUnveiledinChengdu感/谢/观/看THANKSFORWATCHING城市轨道交通专业核心课程数字资源课程名称：城市轨道交通客运服务英语教材名称：《城市轨道交通客运服务英语》书号：ISBN978-7-114-19419-1主编：徐胜南资源名称：PPT课件

Chapter3IntelligentSystemsofSubway

OBJECTIVESMasterthevocabulariesofsubwaysupportivesystems.Canexplainthefunctionsofsubwaysupportivesystems.Becomeasubwaystaffwithprofessionaltechnicalskills.KnowledgeAbilityMoralityMetroFacilities地铁设备MetroCulture地铁文化ComplementaryReadingListeningandSpeakingExerciseReadingandWritingWarm-upCommunicativeActivityCONTENTSWarm-upIntelligentSystemsofSubwayThesubwayadoptsvariousautomationequipmentwithelectroniccomputerprocessingtechnologiesasthecore,replacingmanual,mechanical,andelectricaltrainorganization,equipmentoperation,andsafetyassurancesystems.Pleasediscusstheintelligentsystemswithyourpartner,andchooseoneyouarefamiliarwithfromtheoptionsprovidedbelowtointroducetheirfunctionstoyourclassmates.FAS

ATC

SCADA

BAS

AFCDialogueAPassengerInformationSystem(PIS)ofSubwayActivity1:Listenandguess.1.What’sthefunctionofPISinthesubway?____________________________________________________2.WhatarethethreecommunicationlayersofPISinthesubway?

PISofsubwaycanprovidepassengerswithallkindsofserviceinformationviaDisplayTerminalsinstationsortraincompartments.CentralControlUnit、SubstationControl24Room、DisplayTerminals.Lily:Goodmorning.Mr.Zhang:Goodmorning.Lily:CouldyoutellmesomethingaboutthefunctionofPISinthesubway?Mr.Zhang:

PISofsubwaycanprovidepassengerswithallkindsofserviceinformationviaDisplayTerminalsinstationsortraincompartments.Lily:WhatkindsofinformationcanPISprovideus?Mr.Zhang:

Itcoverseverythingfrompassengernotices,timetables,automaticstationannouncements,weatherforecasts,real-timenews,livesportsevents,ads,andotherreal-timemultimediainformation.DialogueAPassengerInformationSystem(PIS)ofSubwayLily:Doyouknowthestructureofthissystem?Mr.Zhang:ThePISisdividedintothreecommunicationlayers,CentralControlUnit,SubStationControlRoomaswellasDisplayTerminalsinstationsandtraincompartments.Lily:It’sveryinteresting.Wouldyouliketotellmemoreaboutthesethreelayers?Mr.Zhang:OK.Thefirstlayer,CentralControlUnit,actsasthedecision-makingcenterandmanagesthewholesystem.Thesecondlayer,SubstationControlRoom,cancommunicatewiththevehicle-mountedcontrolunitandpassthecommandsfromCentralControlUnit.Thethirdlayer,DisplayTerminalsinstationsandtraincompartments,canreceivevariouskindsofinformationfromSubStationControlRoomanddisplaytheinformationwithLEDinformationdisplayscreens.DialogueAPassengerInformationSystem(PIS)ofSubwayDialogueAPassengerInformationSystem(PIS)ofSubwayActivity2:Listenagainandtrytofillintheblanks.1.PISofsubwaycanprovidepassengerswith

instationsortraincompartments.2.ThePISisdividedintothreecommunicationlayers,

，

wellas

.3.Thethirdlayer,DisplayTerminalsinstationsandtraincompartments,can

fromSubStationControlRoomand

withLEDinformationdisplayscreens.allkindsofserviceinformationviaDisplayTerminalsDialogueAPassengerInformationSystem(PIS)ofSubwayCentralControlUnitSubStationControlRoomDisplayTerminalsreceivevariouskindsofinformationdisplaytheinformationActivity3:Workinpairs.Practicethedialoguewithyourpartner.Activity4:Roleplay.Dialoguewithgivenwords.DialogueAPassengerInformationSystem(PIS)ofSubwayDialogueB

PowerSupplySystemofSubwayActivity5:Thinkandanswer.Howmanycomponentsarethereinthepowersupplysysteminthesubway?____________________________________________________

2.Whatisthethirdrail?

____________________________________________________Itmainlyconsistsofcityelectricity,Low-voltage(LV)distributors,UPS,computercontrolledsmartUPSandsubsystems.Athirdrailprovideselectricpowerthroughanadditionalrail(called“conductorrail”)placedalongsideorbetweentherails.ZhangQiang:Goodmorning.WangDong:Goodmorning.Whatdoyouwanttoknowaboutsubwaytoday?ZhangQiang:Ifeelsopuzzledaboutthepowersupplysysteminthesubway.Couldyouintroduceitforme?WangDong:Ofcourse!Itmainlyconsistsofcityelectricity,Low-voltage(LV)distributors,UPS,computercontrolledsmartUPSandsubsystems.ZhangQiang:Isee.Aretheretwopowersuppliesforthesignalingsystemofsubway?WangDong:Yes,youareright.Inaddition,therearetwomodesofpowersupplyforthesubway:athirdrailandoverheadwires.DialogueB

PowerSupplySystemofSubwayDialogueB

PowerSupplySystemofSubwayZhangQiang:Whatisthethirdrail?WangDong:Athirdrailprovideselectricpowerthroughanadditionalrail(called“conductorrail”)placedalongsideorbetweentherails.ZhangQiang:Igetit.Thankyou.WangDong:Youarewelcome.DialogueB

PowerSupplySystemofSubwayActivity6:Listenagainandtrytofillintheblanks.Itmainlyconsistsofcityelectricity,

,UPS,

andsubsystems.Therearetwom