pull up bar

常見例句

雙語例句

• This paper made a comprehensive analysis of the reasons for non-normal failure of breaking head, collet and pull bar of PTM and further brought up the solution to it.
  主要分析了電解多功能天車打殼機構(gòu)中打擊頭、 夾套、拉桿非正常失效的原因，并提出了解決的方案。
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