Specification for precast concrete drainage and pressure pipes
预制混凝土排水管和压力管规范
发布日期:
1978-04-01
规定了用于输送水、污水和其他液体废物的各类钢筋和非钢筋预制混凝土排水管和压力管的要求。
Specifies requirements for reinforced and unreinforced precast concrete drainage and pressure pipes of various classes intended for the conveyance of water, sewage and other liquid wastes.