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问题详情

Neglecting friction, you desire to life a 300 kgs weight with a stress on the hauling part of 100kgs.Which of the following tackles would you use ?（）.

A、Gun tackle

B、Luff tackle

C、Toe-fold tackle

D、Double-luff tackle

时间：2022-01-03 22:45 关键词：航海英语综合练习

答案解析

B

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