224.主架是几级减震支柱?( )how many stage do the main landing gear shock absorber have?

478.前货舱的冷空气来自哪里( )Where from the cold air of the forward cargo compartment

477.与厕所和厨房通风系统有关的控制器是( )The computer that control lavatory and galley ventilation is( )

476.再循环活门的功能是( )What is the function of the recirculation valve?

475.FCV活门类型是( )What type is the FCV

474.飞机在地面,厨房和厕所通风由( )实现通风Aircraft on the ground, the galley and toilet ventilation by

473.增压系统的两个控制器在同一时间内的工作状态是( )The two CPC at the same time the working state is

472.飞机在地面时,溢流活门处于什么位置( )The aircraft is on the ground, the overboard valve position is( )

471.控制外排活门马达1的计算机是( )The computer of contorl outflow valve motor1 is( )

470.增压控制计算机与外排活门马达的控制关系是( )The control relationship between the CPC and the motor of outflow valve

469.增压系统通过控制座舱( )控制座舱压力Pressurization is performed by controlling( )