This article introduced the establishment of weldingprocedure of tube - tube sheetwelding, and the fabrication of equipment.
本文介绍了管子管板封口焊的焊接工艺制定及产品的焊接。
2
This article introduced the establishment of weldingprocedure of tube -tube sheetwelding, and the fabrication of equipment.
本文介绍了管子管板封口焊幻焊接工艺制定及产品的焊接。
3
The results showed that electrode by cryogenic treatment could visibly improve the spot weldingprocedure and raise joint strength for galvanized sheet.