valve core nut

基本解釋

• [機械工程]閥芯螺母

英漢例句

雙語例句

• The pressure regulating valve is composed of a valve seat, a valve core, a spring and a nut.
  機油壓力指示閥和調(diào)壓閥二閥共爲(wèi)一 個閥腔。
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• valve core nut更多例句

專業(yè)釋義

機械工程

• 閥芯螺母