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

词汇	sliding pulley
释义	sliding pulley 基本例句滑轮 The lifting device is a system of rope and pulley.这种起重装置是由缆索和滑轮组成的。 A single fixed pulley does not help to save effort.一个单独的固定的滑轮不能帮助节省气力。
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