Keyhole stability during plasma arc welding welding process is critical to the process stability and weld quality.
在穿孔等离子弧焊接过程中，小孔稳定性对焊接过程的稳定和优质的焊缝成形是非常关键的。
Welding welding operation must hold professional certificates, and strictly abide by the rules.
气焊电焊必须持专业操作证，并严格遵守操作规程。
The paper introduces welding technology of type ZY6400/12.5/28 hydraulic support, from several respects of selecting materials preheat before welding, welding process and so on.
从焊接材料的选用，焊前预热、焊接过程和焊后热处理的控制几个方面，着重介绍了ZY6400/12.5/28型液压支架的焊接工艺。
The welding of ATV motorcycle flame is closely related with the frame material, the fixing of technological equipment, types of wire for welding, welding current and welding procedures.
ATV车架焊接的好坏与车架材料、工装固定、焊丝种类、焊接电流和焊接顺序等密切相关，焊接前可结合CAE分析和残余应力分布的预判来确定车架材料及焊接顺序；
The welding of ATV motorcycle flame is closely related with the frame material, the fixing of technological equipment, types of wire for welding, welding current and welding procedures.
ATV车架焊接的好坏与车架材料、工装固定、焊丝种类、焊接电流和焊接顺序等密切相关，焊接前可结合CAE分析和残余应力分布的预判来确定车架材料及焊接顺序；
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