The bridge should inform the engine room before passing through congested or shallow waterway（）<br>A:24 hours<br>B:2 hours<br>C:1 hours<br>D:15 minutes

The bridge should inform the engine room before passing through congested or shallow waterway（）
A:24 hours
B:2 hours
C:1 hours
D:15 minutes

出自：海船船员证

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