suction valve disc是什么意思，suction valve disc的翻译，suction valve disc音标、读音、用法和例句

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suction valve disc是什么意思，suction valve disc的翻译，suction valve disc音标、读音、用法和例句_沉淀汉英词典

suction valve disc

基本解释

专业释义

交通運輸工程