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单选题
323.飞机在地面,何时EEC自动断电?( )With aircraft on ground, when is the EEC automatically de-energized?
A
一旦飞机通电 At aircraft power up.
B
当发动机停车时 As soon as the engine is shut down.
C
发动机停车15钟以后 15 mn after engine shut down.
答案解析
正确答案：C
解析：
飞机在地面,何时EEC自动断电?( )
With aircraft on ground, when is the EEC automatically de-energized?
A. 一旦飞机通电 At aircraft power up.
B. 当发动机停车时 As soon as the engine is shut down.
C. 发动机停车15钟以后 15 minutes after engine shut down.
答案: C
解析：题目问的是飞机在地面时，何时发动机电子控制器（EEC）会自动断电。答案选项C“发动机停车15钟以后”正确回答了问题，指出在发动机停车后15分钟会自动断电。
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