如果左发出现火情，APU灭火瓶可发射到左发动机舱。If there is fire on the left engine, the APU fire extinguisher bottle can be launched into the left engine compartment.

可通过按压哪个电门使左发液压关闭活门被关闭？The left engine hydraulic shutoff valve is motored closed by pressing which switchlights?

判断正误True or False: 当液压泵失效时显示为琥珀色。The hydraulic pump is displayed amber when failed.

哪些泵为1号液压系统供压Which pumps power hydraulic system 1?

判断正误True and false ：液压系统的所有部件都显示在HYDRAULIC简图页上All components of the hydraulic systems are represented on the HYDRAULIC synoptic page

判断正误True and false ：液压关断活门只能通过选择LH或RH ENG FIRE PUSH电门关闭。 The hydraulic shutoff valve can only be closed by selecting the LH or RH ENG FIRE PUSH switchlight.

地面操作期间液压系统1和2中的液压油是如何冷却的？How is the fluid in hydraulic system 1 and 2 cooled during ground operation?

如果双发熄火，如何给主飞行操纵和起落架提供液压动力？How is hydraulic power provided for the primary flight controls and landing gear if both engines flame out ?

判断正误True or False：发动机驱动泵1A和2A以及交流马达泵3A都是液压系统的主要泵。The engine-driven pumps 1A and 2A and the AC-motor pump 3A are the main pumps of the hydraulic system.

当地面双发都关闭时，外部交流电源和所有液压电门在ON时，哪些泵是通电的？On the ground with both engines off, external AC power applied and all hydraulic switches selected to ON, which pumps are powered?

跟液压系统3操作有关的泵是：The pumps related to hydraulic system 3 operation are: