APU的隔离单向活门在中央邮箱内左侧。A、The APU isolation check valve is in the left side of the center tank；B、The APU isolation check valve is in the inside wall of the center tank；C、The APU isolation check valve is in the left side of the dry bay；-易过题库-题库最全的搜题网站

APU的隔离单向活门在中央邮箱内左侧。

AThe APU isolation check valve is in the left side of the center tank；

BThe APU isolation check valve is in the inside wall of the center tank；

CThe APU isolation check valve is in the left side of the dry bay；

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