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________is used for lifting cargo.
A.A mooring winch
B.A windlass
C.A deck crane
D.A lifeboat engine
参考答案
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单选题（）is used for heaving up and slacking away the anchor and chain.A
A winchB
A windlassC
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A windlassC
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is constructed of
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单选题A spreader bar is used to（）.A
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单选题A chock（）.A
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may be substituted for 10 percent of the required life preserversB
should be stowed adjacent to lifeboats and emergency stationsC
may be used by boat crews and line handlers during lifeboat drillsD
should be used when carrying out duties near a weather deck's edge
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