【单选题】
对于紧急出口门,当从那侧打开时会自动释放应急滑梯。___
A. 仅内侧；
B. 仅外侧；
C. 内侧和外侧。
D.
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答案
C
解析
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货舱门控制系统中电控选择valve在下列情况通电：___
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B. 双向作动器，人工选择valve，单向阀；
C. 双向作动器，电控选择valve，单向阀。
D.
【单选题】
人工开货舱门顺序：___
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【单选题】
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