intermediate casing

基本解释

K3 method -- intermediate casing with the upper left side view door;
K3 制法--中间机壳侧面带有上端左检视门；
www.tsj.net.cn
K2 method -- intermediate casing with the bottom right side view door;
K2 制法--中间机壳侧面带有下端右检视门；
www.tsj.net.cn
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 .
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。