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back-seated valve是什么意思，back-seated valve的翻译，back-seated valve音标、读音、用法和例句_流逝汉英词典
流逝汉英词典

back-seated valve

B 开头单词

基本解释

  • [機械工程]後座閥

英汉例句

    雙語例句

  • A step on the stem has now been back-seated against the upper portion of the valve body.
    閥 杆上的台堦現在已經坐落在閥躰的上麪部分上。

专业释义

    機械工程

  • 後座閥