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电路板PCB工程师英文EQ整理基本信息问题:theboardthickness(2.36+/-0.05mm对我们来说,板厚2.36+/-0.05mm太难管控建议:Canwecontrolthefinishedboardthicknessas2.4+/-10%mm?Pleasecomfirm!请确认我们可否控制完成板厚为2.4+/-10%mm?问题:Asshowinfigure,manufacturingrequirementsspecification,using17um(1/2oz)basedcopper,finishedsurfacecopper:46um(0.00181");itisdifferentfromwhatshows1ozforstackup.如下图所示,制作说明要求使用17um基铜,完成铜厚46um.这跟叠构中的1OZ铜厚不符.建议:Use1ozbasedcopper,finishedsurfacecopper:46um(0.00181")使用1oz基铜,完成铜厚46um.问题:Asshowinthebelowfigure,outercopperis1oz..Wecan’tmakesurewhetherthefinishedsurfacecopperis1oz.如下图所示,外层铜厚为1OZ,我们不能确定完成铜厚是否为1OZ.建议:UsingHozbasecopper,finishedsurface1ozcopper;使用Hoz基铜,成品铜厚为1oz.问题:Thestack-upyourcompanyprovideddidnotconformtherequirementsofimpedance,andtheinnerlayersneedtouse3Pre-preg.贵司提供的叠构不符合阻抗要求,且内层需要用3张pp建议:AdjustthethicknessofthePre-pregandthecore。Seebelow.调整芯板和PP的厚度,见下图问题:Themake-uplikeastheattachment(12PCS/PNL),inordertosavethecosting,pleaseconfirmifcanaccept3X-OUTperpanel?如附件所示拼版(12pcs/PNL),为了节约成本,请确认可否接受每个拼版内有3个打叉板?建议:Accepted3X-OUTperpanel,butnotexceed5%oforderquantity.Andpackthemseparatelywhenshipping.接受每拼版出3个打叉板,但不超过总订单数的5%,且出货时把打叉板分开包装.问题:Asshowinfigure,Yourcompanyrequirementsaccordingtolevel3standardcontrols,thisrequirementistoohardtocontrolforus如下图所示,贵司要求按3级标准管控,我们较难管控.建议:Controlledbylevel2standardproduction.按2级标准管控生产.Pleaseconfirmtheattachedpaneldrawing.电路板PCB工程师英文EQ整理全文共11页,当前为第1页。请确认附件拼版图电路板PCB工程师英文EQ整理全文共11页,当前为第1页。(8)Aboveisoursuggestedstackup,pleaseconfirm.上图为我司建议叠构,请确认.(9)问题:Yourcompanyhavenotprovidedthetoleranceofboardthickness,pleaseconfirmwhetherwecouldcontrolitas1.6mm+/-10%?贵司没有提供板厚公差,请确认我司可否按1.6mm+/-10%来管控?(10)问题:Wecan'tfindthefinishcopperthicknessandsoldermaskcolorinspec,pleaseprovide.我们在说明书中找不到完成铜厚和防焊颜色,请提供.建议:Finishcopperthickness:1oz,SMcolor:mattegreen完成铜厚1OZ防焊颜色:哑光绿色(11)问题:PleaseseeFig1,thenumberingerberisdifferentfrom"HIT-20-001200-001"inspec.请看图一,gerber中的料号跟说明书中的"HIT-20-001200-001"不相符.建议:Wewillignorethisdifferenceandfollowthegerberfiletoproducethisboard.我们将忽略这个不同点,然后按照gerber来制作.(12)问题:ThecustomerrequiresuseFR-402material,butwehavenotthiskindofsheetmaterial.客户要求使用FR-402板材,但我们没有这种板材.建议:Wewilluseourcommonmaterialproduction,Pleaseconfirm!LikeKB6160orequivalentinsteadofFR-402.我们将使用常用的板材生产,请确认.像KB6160或同等级的板材来代替FR-402.(13)问题:Inordertoavoidthepanelboardscrapedinprocess,wewouldliketochangethesharpcornertoroundangleasR1.0mm.为了避免板子在生产过程中刮花,我们将尖的角倒角为R1.0mm的角.(14)问题:Seebelowfigure,50Ohmimpedanceiscontrolledinthegerber,butthee-mailindicatedthathadnocontrolledimpedance;Actually,thecalculationalsocannotreach50Ohmimpedancevalues.见下图,gerber中要求做50ohm阻抗控制,但邮件中说明不用做阻抗控制。事实上也达不到50ohm阻抗值.建议:Ignoretheimpedancecontrol.忽略阻抗控制.(15)问题:Thereisno60milcoreonourstore,wewilladjustthestackupasbelowfig.Bshow.我们仓库没有60mil的芯板,我们将调整叠构,如图B所示.(16)问题:Itistoohardtokeepconductorwidthsandspacingwithin15%ofdataforus.要将线宽距控制在+/-15%,对我们来说太难了建议:Wesuggesttorelaxitas+/-20%toprocess.电路板PCB工程师英文EQ整理全文共11页,当前为第2页。我们建议放宽到+/-20%电路板PCB工程师英文EQ整理全文共11页,当前为第2页。(17)问题:Youdonotspecifytheinceptstandard.WewillfollowIPC-A-600GClass2andIPC-6012BClass2tobuildthisboard.贵司没有指明验收标准,我们将根据IPC2级标准来生产板子.(18)问题:Itdoesn’tspecifythicknessofNiandAu.没有说明镍和金的厚度.建议:Wewillcontrolas:Ni:3-6umminandAu≥0.05um我们将管控为:镍最少3-6um,金≥0.05um(19)问题:Wecan’tinputthefourfiles(seebelowfig.)byoursoftware用我们的软件打不开下图的4个文件.建议:Wewillignorethefourfiles.我们将忽略这4个文件.(20)问题:Wearenotsurethesurfacefinishofthisboard,becausetherequirementoftwofilesaredifferent.(Seebelowpictures.)我们不能确定这个板的表面处理,因为2个文件的要求不同.(见下图)建议:Wewillfollowimmersiongoldtoproduce.(Au:0.05um(min),Ni:3-6um)我们将按沉金制作.(金厚最少0.05um,镍厚3-6um)(21)问题:Pleaseseebelowpicture,thedimensionbetweenthegerberandthedrawingisdifferent.请看下图,图纸和gerber的尺寸不一样.建议:Wewillfollowgerberfiletoproduce.我们将依gerber制作.(22)问题:Wedon’tknowtheusageofthesefile,andwethinkthemhavenothingtodoforPCBmanufacture.我们不知道这些文件的用处,我们认为他们对PCB生产没有影响.建议:Wewillignoreit.我们将忽略他们.(23)问题:Wedon'thavethestandardofthe"BSEN0249-2-12:1994"inhand.我们没有"BSEN0249-2-12:1994"的标准控制.建议:WewillignorethisstandardandfollowIPC-4101Bstandardtoproduce.我们将忽略这个标准,然后按IPC-4101B标准来生产.(24)问题:Inthefuture,forthesameseries,ifwemeetthesamequestionslikeasabove,wewillusetheanswerdirectly后续问题中,如有类似以上问题,我们将直接使用这次的回复来生产.电路板PCB工程师英文EQ整理全文共11页,当前为第3页。电路板PCB工程师英文EQ整理全文共11页,当前为第3页。文字问题:Somefontsareclosetopads,intoholesoroutsideoftheboardoutline.一些文字太靠近pad,进孔或到了板外.建议:Wewillmovethemifpossible,otherwisewe'llclipthem,pleaseconfirm.如果可能,我们将文字移动,否则我们会修剪文字,请确认.(2)问题:WewilladdtheUL,includingourlogoanddatecode(WWYY)atfreeareaonthetopsilkscreenlayer.我们将在顶层文字的空旷位置添加UL,包括我们的标记和周期.(3)问题:Inordertoidentifytheboardeasily,wewouldliketoaddourinternalpartnumberonthebreakawayrails.(ornearourcompanyUL)为了更好地区分板子,我们想要在工艺边上添加我司料号.(或在我司UL附近)(4)问题:Weturnthelogoto"BLDTD-B"onthebottomsilkscreenornot?Pleaseconfirm.请确认我们可否将底层文字的UL改为"BLDTD-B"?(5)问题:YourequesttoaddULanddatecode(WWYY)ontheappointedposition,butthedrawingwithoutappointedposition。WewilladdourcompanyULanddatecode(WWYY)onbottomsilkscreenlayerasbelowfig.贵司要求在指定位置添加UL和周期(WWYY),但图纸上没有标出指定的位置.我们将在底层文字添加我司UL和周期(WWYY),见下图.(6)问题:SomeWhiteoilblockareprintedonthepads,itwillaffectthesolderabilityofthepads.一些白油块在pad上,这会影响pad的焊接性能.建议:Wewillmodifythelegendtoavoidthemexposingonthepads.我们将修剪文字来避免他们上pad.问题:Somefontsaretooclosetotheoutline,itmaycausethefontstobeincompleteaftermanufacturing.一些文字太靠近外形线,这可能会导致加工后文字出现残缺.建议:Reducethefontsizetoaccommodatethetightspaceifpossible,otherwiseaccepttheincompletefonts.如果可能的话,缩小文字到一个小空间内,否则就接受文字残缺.问题:TthereisnoenoughspaceforaddingtheULanddatecodeonthetopsilkscreenlayer顶层文字不够空间添加UL.和周期建议:A:Wewilladdthemonthebottomsilkscreenlayer.B:Wewilladdthemonthetopsoldermasklayer.A:在底层文字添加B:在顶层防焊添加电路板PCB工程师英文EQ整理全文共11页,当前为第4页。问题:Somelegendarenotmirroredonthebottomsides.电路板PCB工程师英文EQ整理全文共11页,当前为第4页。在底层中,有一些文字没有镜像.建议:A:wewillfollowgebertoproduceandacceptthelegendareinverse.B:wewillmirrorit.A:我们将依gerber生产,要接受反字.B:我们将镜像制作.问题:Thelegendisveryclosetodummycopperpadsintheworkinggerber.在工作稿中的文字太靠近焊盘.建议:A:Wewillshavethedummycopperpadstoavoidtheillegiblelegend.B:Followworkinggerbertobuild,andtheillegiblelegendisacceptableA:我们将削铜粒来避免文字模糊.B:依工作稿制作,接受文字模糊.(11)问题:Inordertoavoidthesilkscreenismissing,wewilladdthecheckpatternsonthebreakawayrail.为了防止漏印文字,我们将在工艺边添加测试图案.防焊问题:SpacingbetweenICpadsare6.7miland7.5mil.Weneed7.8miltokeepthesoldermaskdam..Becausethesoldermaskinkarebluecolorwhichisoutofourcapabilitytobuildthebluesoldermaskdam.IC之间的距离是6.7和7.5mil,我们需要7.8mil的距离来做防焊桥.因为防焊颜色为蓝色,这样距离的蓝油桥超出我们的制程.建议:WesuggestcancelingthesoldermaskdamwheretheICspacingislessthan7.8milandmakegangrelief.Pleaseconfirmisthatacceptable.我们建议在小于7.8mil的地方取消做防焊桥,然后按开通窗制作.请确认是否接受.问题:SpacingbetweentheBGAPADandviaholeisonly9.8mil,andthere'ssoldermaskdam.Thespacingistoosmalltokeepdam.BGA到过孔的距离只有9.8mil,而且要做防焊桥.这个距离太小,不能做桥.建议:Wewillremovethevia's(nottheBGApads)openings我们将移除过孔的开窗(不是BGA的开窗).问题:The∮29milcomponentholeswithoutsoldermaskopeningsonbottomsides,thesoldermaskinkwillflowintoholes∮29mil的元件孔在底面没有开窗,油墨会进孔.建议:A)Weaddsoldermaskopeningsforhole,MakesuretheoilisnotonthePADandnotflowintothehole.电路板PCB工程师英文EQ整理全文共11页,当前为第5页。B)WefollowtheGERBERtodo,Pleaseconfirmthesoldermaskinkwillflowintoholesareaccepted.电路板PCB工程师英文EQ整理全文共11页,当前为第5页。A:我们将为这些孔添加防焊开窗,确保油墨不上pad和油墨不进孔.B:我们根据gerber制作,请确认可接受油墨进孔.(4)问题:Seebelowfigure,thereisonepadonthebottompastelayer,butitwithoutsoldermaskopeningonthebottomsolderlayer.见下图.贴片层上有一个pad没有开窗.建议:A:followthegerber.B:Addsoldermaskopeningthatis8milbiggerthanthepad.A:依gerber制作.B:加一个比pad大8mil的开窗.问题:TheΦ1.0mmholeswithsoldermaskopeningonthetopsoldermasklayer,butthebottomlayer.PleasecomfirmoursuggestionΦ1.0mm的孔在顶层有开窗,但底层没开窗。请确认我们的建议.建议:A:Followthegerbertoprocess.按gerber生产.B:Addthesoldermaskopeningfortheholesonthebottomlayer,thesizeisthesameasthetop.在底层添加开窗,大小跟顶层一样.问题:Thesoldermaskopeningofdia.0.40mmholesisonly直径0.40mm的孔防焊开窗只比过孔大8mil.建议:A:Cancelthesoldermaskopeningofviaholes,theviaholespluggedwithsoldermaskisaccepted.取消过孔的防焊开窗,接受过孔塞油.B:followthegerber,andacceptsoldermaskintotheholebutnoplugging依gerber制作,接受油墨入孔,但不塞孔..问题:Thetwodia.3.2mmholesarespecifiedasPTHindrillchart.Butthesoldermaskopeningis分孔表上直径3.2mm的孔是制作为PTH,但在底层防焊层里,开窗比pad小.建议:Wewillfollowgerbertoproduce,andallowthesoldermaskencroachontothesepads.我们将根据GERBER生产,然后接受油墨上pad.问题:Somesoldermaskopeningforthefiducialmarkistoobigthatitcausednearboringtraceexposedintheworkinggerber.一些光学点的开窗太大,导致工作稿中他们邻近的导线露铜.建议:Wewilltrimthesoldermaskopeningtoavoidthetraceexposed.我们将修改防焊开窗来避免铜线外露.问题:ThereisnosoldermaskopeningononesidefortheviaholeΦ16mil.Φ16mil的孔有一面防焊没开窗.建议:A:Plugtheseviaholeswithsoldermaskink.B:AddsoldermaskopeningbothsidesfortheviaholeΦ16mil.A:塞孔制作.电路板PCB工程师英文EQ整理全文共11页,当前为第6页。B:Φ16mil的孔双面开窗.电路板PCB工程师英文EQ整理全文共11页,当前为第6页。线路问题:Fabspecindicatescontrolledimpedance,butdoesn'tindicatethetracewidth/gapandwhichlayer(s).说明书要求控制阻抗,但没有指明阻抗线是哪层和线宽距.建议:Pleaseprovide,orpleaseconfirmifwecanignoretheimpedancerequest请提供,或请确认我们是否可以忽略这个阻抗要求问题:Thefiducialmarksareisolatedsotheycaneasilypeeloffduringproduction.光学点是孤立的,所有生产时容易脱落.建议:Wewilladdtheprotectivecopperringaroundthem.Pleaseconfirmisthatacceptable.我们将在他们周围添加保护环。请确认可否接受.问题:Viastobecoveredpertheadditionalrequirement.过孔制作方式按照特别要求.建议:thereare8mil,10miland12milholes,sowewilltreatallofthemas"vias",plugandcoverthemwithsoldermaskbyremovingthesoldermaskopeningsonbothsidesifany,andleavetheotherholes(24milsandgreater)soldermaskasdesign,correct?我们把8mil,10mil和12mil的孔定为过孔,在每一面通过去掉防焊开窗来使他们塞油,像设计那样把其他的孔(24mil或更大的)开窗制作,正确吗?问题:3toolingholes(3.2mmNPTH)tobeaddedonrailspertheadditionalrequirement.按照特殊要求添加3个3.2mmNPTH在工艺边上.建议:Wesuggestaddingtoolingholesonall4cornersoftherailstoprovidemoreflexibilitiesduringPCBmanufacturingandassembly,andadd3fiducials(1mmroundpads,3mmsoldermaskopenings)on3cornerstobe"fool-proof",isthatacceptable?我们建议在工艺边的4个角添加定位孔,来使更适合PCB生产和装配.在3个角上添加3个光学点(1mm大小,3mm开窗)来防呆,能接受吗?问题:Inordertofacilitatedinproduction,wewillremovetheno-functionisolatedpadsontheinnerlayers.为方便生产,我们将删除内层里一些无功能的孤立pad.(6)问题:Somesoldermaskopeningsareverybigandexposingthesurroundingcopperplanes.一些防焊开窗太大,会导致铜皮外露.建议:Wewillreducethesoldermaskopeningstoourdefaultpadopeningsize,andifthere'sstillariskofexposingthesurroundingcopper,wewillshavethecopperplanealittletoavoidexposure,isthatacceptable?电路板PCB工程师英文EQ整理全文共11页,当前为第7页。我们将会对不正常的防焊开窗缩小,如果仍然有铜外露的风险,我们将会削一点铜皮来避免外露,能接受吗?电路板PCB工程师英文EQ整理全文共11页,当前为第7页。(7)问题:Outerlayerstobe2.1mil(1.5oz,weconsideritasnominal)perprovidedstackup,butduetothetightspacing(5.8milonly)onthisdesignwecanonlyuse0.5ozbasecopper.所提供的叠构中,外层铜厚为2.1mil(1.5oz,我们认为这是近似值),但由于设计上紧密的线距(只有5.8mil),我们只能用0.5oz的基铜来制作.建议:Wewilluse0.5ozbasecopperandplatetominimum1ozcopperonouterlayers,isthatacceptable?我们将使用0.5oz底铜,然后外层最少电镀到1oz铜厚,这能接受吗?问题:Innerlayerstobe2ozperprovidedstackup,butthespacingoninnerlayersistight,alsowecan'tfollowtheprovidedstackuponthedielectricthicknessunderouterlayersbecausetheyaretoothinfor2ozcopper.根据所提供的叠构,内层要做2oz,但是内层的线太密,满足外层的阻抗的条件下,我们不能使用所提供的叠构.因为在2oz的铜厚条件下,介电物质太薄了.建议:OptionA:touse1ozcopperoninnerlayers,andwedon'tneedtochangethestackupandimpedancetracewidths;OptionB:touse2ozcopperoninnerlayers,butneedtochangethestackupandimpdancetracewidths.建议A:内层使用1oz铜厚,这样我们就不需要调整叠构和阻抗线的线宽.建议B:内层使用2oz铜厚,但需要调整叠构和阻抗线的线宽.(9)问题:ThePADistooclosedtotheoutline,whichwillinducethecopperexposedafterprocess.Pad太靠近外形线,会导致加工后出现铜外露的现象.建议:Shavethecopperkeeptotheoutline8miltoavoidthecopperexposed.削铜保持距离外形线8mil,防止铜外露.问题:SeeyourcompanyprovidetheSPC,wearenotsurewhethertoneedtoincreasethefiducialmarkonthebreakawayrail.(BecausethebreakawayrailhavenotfiducialmarkintheGERBER)根据贵司提供的说明书,我们不确定是否需要在工艺边上添加光学点.(因为gerber中的工艺边上没有光学点)建议:A)Wewilladdthe∮2.0mmfiducialmarkand∮3.0mmsoldermaskopeningoffiducialmarksonbreakawayrails(seefig).B)Donotneedaddfiducialmarkonthebreakawayrail,followthegerbertodo.A:我们将在工艺边上添加∮2.0mm的光学点,开窗3mm.(见图)B:不需要再工艺边上加光学点,按gerber制作.问题:WewilladdtheV-cuttestingpadstoavoidV-cutbeingmissed.我们将添加V-CUT测试pad来防止漏V-CUT.电路板PCB工程师英文EQ整理全文共11页,当前为第8页。(12)问题:Inordertobalancetheplatingelectriccurrent,wewouldliketoadddummycopperfoil(copperpads)onthebreakawayrails.为了平衡电镀的电流,我们想要在工艺边上添加铜皮.(铜pad)电路板PCB工程师英文EQ整理全文共11页,当前为第8页。(13)问题:Seebelowfigure,thecopperistooclosetotheoutline,itwouldcausethecopperexposed.见下图,铜皮到外形线太近,这会导致铜皮外露.建议:A:acceptexposedcopper.B:shavingthecopper,keepit10milfromoutlineand16milfromV-CUTline.A:接受露铜.B:削铜,使之距离外形线10mil,距离V-CUT线16mil.(14)问题:Innerandouterlayersinthegerberhavemeaninglessline.Gerber的内层和外层存在无意义的线.建议:A:followthegerber.依gerber制作.B:Deletethemeaninglessline删除无意义的线.(15)问题:Thisboardisabareboardwithoutcopper.wewillbuildwithoutfiducials.这是一个光板,我们将不加光学点.金手指(1)问题:Inordertoplatethegoldonfinger.Wewilladdtheleadingplatinglineasthebelowpicture.为了电金手指,我们将添加如下图的电镀线.问题:WefoundtheareaofgoldfingerhavesoldermaskdamintheGerber.我们在gerber中发现金手指位置有阻焊桥.建议:Toaviodthesoldermaskdamaffectsthefunctiongoldfinger,wewillcancelitandaddthefullsoldermaskopeningfortheareaofgoldfinger.为了避免阻焊桥影响金手指的功能,我们将删除阻焊桥和在金手指位置开通窗.问题:Nospecifythedepthtoleranceofgoldfingerbeveledge.Wewillbuildgoldfingerbeveledgedepthtoleranceas±0.2mm..没有说明金手指斜边的公差,我们将按+/-0.2mm制作.问题:Thegoldfingeristooclosetotheoutline.Itwillcausethecopperexposed.金手指太靠近外形线,这会导致铜外露.建议:A:Toclipgoldfingertoget52mil(min)spacetoavoidcopperexposed.B:FollowGerbertodo,pleaseacceptcopperexposed.A:修剪金手指,保证离外形最少有52mil的距离,防止铜皮外露.B:依GERBER制作,请接收铜外露.问题:Itdoesnotspecifythebevelangletolerance.没有说明斜边角度的公差.电路板PCB工程师英文EQ整理全文共11页,当前为第9页。建议:Thebevelangleas±5°tocontrol.电路板PCB工程师英文EQ整理全文共11页,当前为第9页。斜边角度按+/-5°来管控.问题:Thegoldfingeroutsideisthebreakawayrail,wecan'tmakethegoldfingerchamfer.金手指边沿是工艺边,我们做不了金手指的斜边.建议:A:Canelthebreakawayongoldfingerside.B:Don'tmakethegoldfingerbeveledge.A:在金手指那边取消工艺边.B:不做金手指斜边.钻孔丶成型(1)问题:The∮0.35mmholesdiametertolerance:±0.05mmistoohard∮0.35mm的孔公差+/-0.05mm太难管控.建议:Thiskindofholes’diamatertolerance:±0.076mm这类孔的公差为+/-0.076mm(2)问题:Thequantityofholesaredifferentbetweenexcelspecandgerberfile.Excel文档跟gerber的孔数不同.建议:Wewillfollowgerberfiletodoandignorethedifference我们将根据gerber来制作,忽略这个不同点.(3)问题:somedatacan'tmeasureindrawing,suggesttoignoreitandfollowtheGERBERtodo。图纸上的一些数据测量不了,建议忽略他们,然后根据gerber来制作.(4)问题:CustomerdidnotidentifytheV-CUTAngle,andthelaminateremained:0.5+0.127/-0mmandV-CUTcanextend30%intoboardmax,wealsodifficulttocontrolinproduction.客户没有说明V-CUT角度,残厚要求:0.5+0.127/-0mm,最大深

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