pull up bar
常見例句
- 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(jī)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。 返回 pull up bar