433.配平空气供气活门由( )The Trim Air Valves are controlled from( )

269.CNS/ATM包括那些内容 CNS/ATM includes:

268.怎样监控厕所系统 ( ) How to monitor the toilet system?

267.废水污物是怎样被输送到污水箱内的( ) How is the waste material transported to the Waste Holding tank ?

266.真空发生器何时运转( ) When dose the vacuum generator run?

265.饮用水箱是由经过滤的空气增压的,飞机在地面时可由什么增压? ( )potable water tank is pressurized by air filtration,From which sources are the water tanks normally pressurized on ground?

264.污水量被显示在何处( ) Where is the waste quantity indication located ?

263.飞机上装有几个厕所勤务面板( ) how many Lavatory service panel is equipped with the plane ?

262.如果在211VU面板上按压MAN ON电门会出现( ) What happen when pushdown MAN ON pushbutton on 211VU?

261.拆卸氧气瓶前必须脱开( ) What compartments must be disengaged before when remove oxygen cylinders?

260.航行灯的颜色是( ) What's color of NAV light?