BS EN 1115-1:2001
压力下地下排水和污水处理用塑料管道系统 - 基于不饱和聚酯树脂(UP)的玻璃增强热固性塑料(GRP) - 第1部分:总则
Plastics piping systems for underground drainage and sewerage under pressure — Glass - reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) — Part 1 : General