机械矫正法：机械矫正法是利用机械力的作用来矫正变形，可以用手工锤击或机械压力。
Machine rectification: machine rectification is using machine power to rectify deformation, which can be taken by hand hammering or machine pressure.
修理前，围绕兼顾解决焊接性、应力和变形问题，结合实际施工条件制定了以手工钨极氩弧焊、镍基焊丝、焊前低温预热、焊后锤击焊缝为要素的冷堆焊工艺。
The method of surfacing welding sealing strip was adopted to repair the deformation of the flange joint surface of the high and intermediate pressure outer casing .
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