在岸上，缆绳挽牢在系缆桩上。（）<br>A:On a vessel ,lines are made fast on bollards .<br>B:On shore, lines are made fast on bollards .<br>C:On board , lines are made fast on bitts.<br>D:On board, lines are made fast on bollards .

在岸上，缆绳挽牢在系缆桩上。（）
A:On a vessel ,lines are made fast on bollards .
B:On shore, lines are made fast on bollards .
C:On board , lines are made fast on bitts.
D:On board, lines are made fast on bollards .

出自：船舶水手证

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