GB/T 18997.1-2020铝塑复合压力管第1部分:铝管搭接焊式铝塑管标准
英文:Plastic/aluminum/plastic composite pressure pipes—Part 1: Composite pipes overlap-welded by aluminum pipe GB/T 18997....
英文:Plastic/aluminum/plastic composite pressure pipes—Part 1: Composite pipes overlap-welded by aluminum pipe GB/T 18997....