51.客舱压力释放门安装在 where are the cabin depressurization door mounted?

651.交输活门的双马达分别是( )Two electrical motors of the Crossbleed Valve are ( )

650.THS有几种工作方式?( )The Thermostat Solenoid ( ) operates in ( ) modes

649.FAV活门类型是( )What type is the FAV

648.控制APU引气的部件是( )APU bleed air is contorled by ( )

647.控制高压级引气的是( )The HP stage bleed air is contorled by( )

646.发动机高转速时从( )引气Where is Bleed air from at high engine speed

645.在哪里给旅客氧气瓶充氧( ) Where is the passenger oxygen filling?

644.旅客氧气瓶安装在哪里? What the location of passenger oxygen cylinder installation?

643.旅客氧气分配管道上压差电门测量压差的作用是什么? What is the function of differential pressure switch to measure differential pressure in the passenger oxygen distribution line?

642.氧气系统渗漏测试使用( ) What gas is use to oxygen system leakage test?