welding between pipe connect 管口和筒体间焊缝
Layer can be used to connect steel stamping forming diamond-shaped network, with gas shielded welding spot on the plate.
连接层可用冲压成型的钢质菱形网，用气体保护焊接方法点焊于钢板上。
Connect the ground connection of the electric arc welding equipment as near as possible to the welding point on the part to be welded.
将电弧焊设备上的接地连接尽可能近地连接到将要焊接零件的焊接点上。
The connect form of cutting tooth and cutting header is welding, welding technics is complex.
掘进机的截齿与截割头的连接采用焊接形式，焊接工艺比较复杂。
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