中间焊段的收弧区降低先焊焊段残余拉应力的效果要优于起弧区。
Moreover, the effect of the latter welding subsection's quenching arc region on decreasing residual stress of the prior welding subsection is better than the striking arc region.
介绍了减速机机壳裂纹的电弧冷焊法，采用“短段、断续、分散焊”的工艺，有效地解决了这一难题。
Reducer chassis craze repairing method which adopts short craze welding, interrupted welding and dispersed welding is introduced and effectively solves this difficult subject.
介绍了风机集流器弧段压型、组焊的工艺方法。
The method of segmental arc pressing and combinational weld technology of fan collector is introduced.
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