icao英语口语之气源系统

1、ICAOPressurization, Air Conditioning and WhatsPressurization is used to adjust cabin altitude andmakepersonsonboardsafeand Whataretheairsourcesof Theaircraftispressurizedbycompressedair: bleed air from engines,air fromAPUandpneumaticcartsonthe What are the possible reasons pressurization problem?The

2、re are many possible pressurization problem. First, malfunction of pressurevalve orregulating valve may lead depressurization. Second, theair leak may cause depressurization.Third, structuraldamage suchasdoorsorwindowsmayresultin depressurization. Besides, there are some other reasons for depressuri

3、zation.Whatarethepossibleconsequencesof There are many possible consequences of depressurization.First,thepilotsmay lose consciousness duetolackofoxygen;second, the passengers may feel uncomfortable, get injuredorevenlosetheirlives;third,itmay cause structural damages to the aircraft or total loss o

4、f the aircraft.Whatwillyoudoifyouencounter depressurization during flight?First,wewillputonthewe will make anemergency descent to a safe altitude.Third,wewillreportoursituation and intention to ATC and request emergencylanding and emergency services.Which do you think is more dangerous, slow depress

5、urization orrapid Itdepends.Ithink,slowdepressurizationis moredangerous.Itmaybecausedbysmalland slowairleak.Thiswillresultinpilotslack ofoxygen.Inthissituation,thepilotsmaybe not aware of ( 意 识 到 ) it and get incapacitated(失能TheaircraftisinForrapiddepressurizationIcanimmediately follow the SOP becau

6、se I know what is wrong. Explosion( 爆 炸 ) or damage are importantreasonsforit.Icanhearthenoise. Icankeeptheairplaneundermycontrol.SoI think, it is less dangerous.Whats the function of air conditioning Air conditioning system is used to provide warm air and cool air and regulate it to a certaintemperatureandmakepersonsonboard UnderwhatcircumstanceswillyouuseTherearemanyconditionsunderwhichwewill useoxygenmasks.first,ifthereissmokeor fire o