单项选择题
When the weather becomes bad, the hatch covers will be ()(关闭).
A. closed
B. opened
C. handled
D. opened and closed
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相关考题
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单项选择题
Don’t operate two or more ()(舱盖)at the same time.
A.caps
B.levers
C.hatch covers
D.hatches -
单项选择题
lead block()
A.滑车
B.导向滑车
C.千斤索
D.底脚滑车 -
单项选择题
outboard guy()
A.稳索
B.外牵索
C.顶索
D.支索
