焊接工艺试验 meaning in English

welding procedure test

Welding procedure test research of super304h steel
焊接工艺试验研究
The saw surfacing test about tube - plank of jg600 - high - pressure heating apparatus
高压加热器管板堆焊焊接工艺试验
Experimental study on welding of d6ac ultra - high strength steel with thin - wire tandem sequence submerged arc welding
超高强钢的细丝双弧焊接工艺试验研究