For means of abandonment of a ship，which type of embarkation does not require prior approval by the Coast Guard?（）<br>A:Movable ladders<br>B:Fixed ladders<br>C:Safety booms<br>D:Elevators

For means of abandonment of a ship，which type of embarkation does not require prior approval by the Coast Guard?（）
A:Movable ladders
B:Fixed ladders
C:Safety booms
D:Elevators

出自：海船船员证

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