钢制总管的标准规范 meaning in English
standard specification for steel line pipe black plain end laser beam welded
Examples
- Standard specification for steel line pipe , black , plain end , laser beam welded
激光束焊平头无镀层钢制总管的标准规范 - Standard specification for steel line pipe , black , plain end , longitudinal and helical seam , double submerged - arc welded
双埋弧焊纵向和螺旋焊缝平头无镀层钢制总管的标准规范