screwed nipple

基本解释

• [机械工程]螺纹接头

英汉例句

双语例句

• When the nut is screwed to the valve threads, it pulls the nipple into the valve outlet compressing the washer between the two beads.
  当螺母拧到阀门螺纹上时，它把管接口推进阀门排气口，压缩在两个垫珠之间的垫圈。
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专业释义

机械工程

• 螺纹接头