问题
单项选择题
（）is used for heaving up and slacking away the anchor and chain.
A.A winch
B.A windlass
C.A deck crane
D.A lifeboat engine
答案
参考答案：B
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（）is used for heaving up and slacking away the anchor and chain.
A.A winch
B.A windlass
C.A deck crane
D.A lifeboat engine
参考答案：B