试题详情
- 单项选择题很多船上在每个舱口处都有两个吊杆及两台起货机。（）
A、Many ships have two derricks at each hatch.
B、Many ships have two winches at each hatch.
C、Many ships have two derricks and two winches at each hatch.
D、Many ships have two derricks and two winches at each hatch cover.
- C
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