单词forge welding
un.: 锻焊;锻接焊
锻接焊
锻焊
At the beginning of the 20th century appeared the cast steel, the forging steel and the forge welding structure valve.
二十世纪初出现了铸钢、锻钢和锻焊结构的阀门。
Simulation study on rail deformation caused by forge welding
钢轨焊接顶锻变形模拟研究