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单选题
如果任一空调组件出现故障，混合总管允许正常工作的空调组件来提供：Should either pack fail, the mixing manifold allows the operating pack to supply:
A
只对驾驶舱提供空调气 conditioned air to the flight deck only
B
对驾驶舱和客舱提供空调气 conditioned air to the flight deck and passenger cabin
C
只对客舱提供循环空气 recirculated air to the passenger cabin only
D
只对驾驶舱提供循环空气 recirculated air to the flight deck only
答案解析
正确答案：B
