在空调等设备的生产中，经常采用火焰钎焊工艺来焊接紫铜管。
In the practical production of equipment such as air conditioner, torch soldering is usually used to weld copper tube.
结果表明，tig焊工艺对R 60702焊接是合理可行的，在生产应用中证明此工艺能够保证产品焊接质量。
The results indicate that it is feasible to conduct TIG welding on Zr R60702, and the procedure can guarantee product welding quality in actual production application.
用退火代替正火后的电渣焊工艺可大大提高生产效率。
The procedure using anneal instead of normalizing will improve the productive efficiency of electroslag welding joint.
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