valve-opening diagram是什么意思，valve-opening diagram的翻译，valve-opening diagram音标、读音、用法和例句

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valve-opening diagram是什么意思，valve-opening diagram的翻译，valve-opening diagram音标、读音、用法和例句_食材鋪反向词典

valve-opening diagram

基本解释

专业释义

機械工程