相关题目
空调组件热交换器如何冷却？How are the pack heat exchangers cooled?
EICAS的状态页和环控简图页显示：the EICAS status page and ECS synoptic page displays:
环控系统的任务是：the task of the environmental control system is to:
判断正误True or False：座舱高度大于8500英尺时，激活＇禁止吸烟＇和＇座椅安全带＇信号是增压系统的一个保护性功能。With cabin altitude greater than 10000 ft, the activation of ＇No smoking’ and ＇Seat belt＇ signs is a protective function of the pressurization system.
AUTO PRESS 1 FAIL状态信息指示（ ）。AUTO PRESS 1 FAIL status message indicate that ( ).
L PACK TEMP 警戒信息指示（ ）。L PACK TEMP caution message indicate that ( ).
判断正误True or False：当供给地面低压气源时，要确认空调组件都处于关闭状态，否则风扇会被损坏。When low pressure ground air is being supplied, make sure the PACKs are off. Otherwise, the fan can be damaged.
判断正误True or False：如果任一空调组件失效，剩余的组件将向驾驶舱和客舱供气，但供气量减少。Should a single pack fail, the remaining pack can supply conditioned air to both compartments but at a reduced volume.
如果SEAT BELT（系好安全带）电门选择至AUTO位，则该座舱压力控制面板在客舱高度达到( )时，将使SEAT BELT（系好安全带）信号显示。If the SEAT BLTS switch is selected to AUTO, the cabin pressurization control panel will cause seat belts symbols to come on when the cabin altitude reaches ( ).
当飞机速度小于（ ）马赫数会消失：at what speed is the Mach number removed.
