GB/T 18997.2-2020铝塑复合压力管第2部分:铝管对接焊式铝塑管标准
英文:Plastic/aluminum/ plastic composite pressure pipes—Part 2: Composite pipes butt-welded by aluminum pipe GB/T 18997.2-...
英文:Plastic/aluminum/ plastic composite pressure pipes—Part 2: Composite pipes butt-welded by aluminum pipe GB/T 18997.2-...