Soil quality - calculation of the rate of exfiltration of water from the soil 土质.土壤渗水率的计算
2.
Standard practice for infiltration and exfiltration acceptance testing of installed precast concrete pipe sewer lines 安装的预制混凝土污水管道的表面渗入和渗出的验收检验的标准实施规程
3.
Standard practice for infiltration and exfiltration acceptance testing of installed precast concrete pipe sewer lines metric 安装的预制混凝土污水管道的表面渗入和渗出的验收检验的标准实施规程