问题:
A . deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain
B . winch that is running out of control due to a failure of the overspeed trips
C . line that has jumped off the gypsyhead while under strain
D . nylon line that parts under strain and whips back in a hazardous manner
● 参考解析
本题暂无解析
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