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During the voyage, the derrick should be stowed ().
- A、fore
- B、aft
- C、fore and aft
- D、lowered
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单选题When the derrick is lowered, the guys must be ().A
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单选题During the course of a voyage,a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident,Injury or Death if the().A
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单选题During the course of a voyage,a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident,Injury or Death if the().A
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