英语词汇mechanical advantage怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	mechanical advantage
释义	mechanical advantagen.（名词） The ratio of the output force produced by a machine to the applied input force.机械利益：一台机器产生的输出力和应用的投入力之间的比率
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