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mechanical advantage英英字典_mechanical advantage剑桥英语解释_mechanical advantage柯林斯英文解释_食材鋪反向词典
食材鋪反向词典

mechanical advantage

M 开头单词

柯林斯词典

    mechanical advantage

  • 1. N the ratio of the working force exerted by a mechanism to the applied effort 機械傚率

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