... 异型管 steel tubing in different shapes 机械管mechanical tubes 无缝管 seamless tube ...
双语例句
1
The main products are: 1, various specifications Cold-drawn seamless steel tubes for mechanical, chemical and other industries.
主要产品分为：1、各种规格冷拔无缝钢管，用于机械、化工等行业。
2
The mechanical structure and working principles of a kind of rolling tool for spiral groove tubes are introduced, and the geometrical parameters of normal spiral groove tubes are provided.
介绍了一种螺旋槽换热管轧制工具的机械结构及工作原理，给出了常用螺旋槽换热管的几何参数。
3
Eddy current detection of the surface cracks in the headings of brake tubes, including the making of testing probe, computer control and the design of mechanical driving mechanism is described.