During an engine room watch if immediate action is necessary to ensure safety of the ship its machinery and crew （）<br>A:the chief engineer must be informed at first<br>B:the captain must be informed at first<br>C:it must be taken by the duty engineer<br>D:the generator engine must be stopped

During an engine room watch if immediate action is necessary to ensure safety of the ship its machinery and crew （）
A:the chief engineer must be informed at first
B:the captain must be informed at first
C:it must be taken by the duty engineer
D:the generator engine must be stopped

出自：海船船员证

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