This article introduced the establishment of welding procedure of tube - tube sheet welding, 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。
This article introduced the establishment of welding procedure of tube -tube sheet welding, 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。
The results showed that electrode by cryogenic treatment could visibly improve the spot welding procedure and raise joint strength for galvanized sheet.
试验结果表明：电极深冷处理改善了镀锌钢板点焊工艺，提高了点焊接头强度，从而提高了点焊质量。
Spot welding procedure of copper with inlaid filler metal sheet HL204 is introduced, too.
介绍了铜与铜镶嵌片状钎料HL204点焊的工艺方法。
Spot welding procedure of copper with inlaid filler metal sheet HL204 is introduced, too.
介绍了铜与铜镶嵌片状钎料HL204点焊的工艺方法。
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