Its body and welding heat effecting area are very sensitive to HIC.
且管体和焊接热影响区对HIC十分敏感。
Pulse welding method is effective to control heat input.
采用脉冲焊接的方式可以有效地控制热输入量。
Fuel is sources liquids. welding anything that will burn when it is exposed to heat.
燃烧有三个因素，他们分别是：氧气，热量和燃料。
The long neck flange should have stress-relief heat treatment after welding.
拼接法兰应进行焊后消除应力热处理。
Small heat influence area, low distortion, beautiful welding gap.
热影响区小、变形小、焊缝成形美观。
Small heat influence area, low distortion, beautiful welding gap.
热影响区小、变形小、焊缝成形美观。
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