美利体育登录入口官网:UNI EN 17152-1-2020
非饮用水非压力地下输送和储存用塑料管道系统 用于渗透、衰减和储存系统的箱体 第1部分:PP 和 PVC-U 雨水箱规范
Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Boxes used for infiltration, attenuation and storage systems - Part 1: Specifications for storm water boxes made of PP and PVC-U