英语词汇“dead pulley”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	dead pulley
释义	dead pulley 基本例句惰轮,空转轮,中心轮,定滑轮 The fixed pulley only changes the direction of the force, it cannot help reduce effort.定滑轮并不能省力，只是改变了力的方向。
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