437.显示器左上角的数字表示相关的页面( )

500.APU 火警系统在驾驶舱内启动与发动机相同的火警警报。( )

499.工具随后可用于安装程序。( )

498.操作后绞车的人员 B 必须锁紧固定装置。( )

497.This procedure gives the instructions to attach the pylon( )

496.If in loose-leaf form，use "standard"， or commonly used page sizes

495.The primary function of this unit is to control the fuel flow ( )

494.A high standard of professionalism is necessary to use the STE specification correctly( )

493.确保材料的保质期未过期。( )

492.恢复电池容量至要求的标准。 ( )

491.If the fuel leak originates at the valve, replace the valve seals ( )