upset tubing meaning in Chinese
端部加厚油管
加厚油管
Examples
- Abstract : a new method of machining tube parts was put forward and local upsetting tube parts can be manufactured by this method . it is important to raise mechanical strength , improve the quality and reduce production costs
文摘:提出一种新的加工薄壁管类件的方法，利用该方法可以加工局部变粗的各种形状的管类件，这对于提高工件的结构强度、材料的利用率和降低工件的重量及制造成本具有重要的意义。