The recirculation fan system circulates air from the passenger cabin around the lining of the forward cargo compartment. When the overboard exhaust valve is closed, exhaust air from the equipment cooling system is also diffused to the lining of the forward cargo compartment for additional in flight heating.
发布于 2021-02-03 04:41:33
【单选题】
A A.True.
B B.False.
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