57.Remove the sleeve to release the sliding tube ( )

881.机械员拆下钢索滑轮,详细检查周围区域,没有发现其他缺陷。( )

880.L1 登机门飞行机组位置救生衣未安装。 ( )

879.燃油样品检查发现有微生物污染。 ( )

878.The positive pressure relief valves are fail safe devices that bleed fuselage pressure overboard if the aft outflow valve fails closed( )

877.It is difficult to understand the words, especially who from out of the area( )

876.However, this operation is recommended to decrease the drying time ( )

875.通过次要的汇流条为其他系统,包括发电机、继电器、逆变器、电瓶等产生、控制和提供交流电和/或自流电的电源组件和部件。( )

874.MAKE SURE THAT THE FLAPS ARE RETRACTED AND THE AILERON TRIM HAND WHEEL IS IN THE ZERO POSITION( )

873.系统中用于储存和输送非饮用水的部分。( )

872.Include damage limits for glass and acrylic( )