（） unit is mounted so as to raise and lower the cable from the spurling pipe, which is at the top and center of the chain or cable locker.
- AThe cable lifter
- BThe hoisting motor
- CThe topping wire
- DThe life-raft
问题
（） unit is mounted so as to raise and
参考解析：
分类：船舶辅助机械题库
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