On the basis of achievement made on TLP diffusion welding techniques for oil drillpipe welding, a medium-frequency TLP diffusion welder for drillpipe welding is developed.
英
美
- 在石油钻杆瞬时液相扩散焊接技术取得成果的基础上,研制了钻杆中频瞬时液相扩散焊机。