NF P16-374*NF EN 17150:2019 非飲用水地下無壓輸送和儲存用塑料管道系統(tǒng) 箱體短期抗壓強(qiáng)度測定的試驗(yàn)方法
Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Test method for determination of short-term compression strength of boxes