left-hand worm是什么意思，left-hand worm的翻译，left-hand worm音标、读音、用法和例句

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left-hand worm是什么意思，left-hand worm的翻译，left-hand worm音标、读音、用法和例句_流逝汉英词典

left-hand worm

基本解释

专业释义

機械工程