The research of pavement subsurface drainage system in the seasonal freezing region 季节性冰冻地区路面结构内部排水系统浅论
Standard specification for circular - knit geotextile for use in subsurface drainage applications 地下排水设施用圆形织法的土工织物的标准规范
Analysis of spatial variability of soil characteristics and crop yield under subsurface drainage 暗管排水条件下土壤特性和作物产量的空间变异性分析
Standard specification for 12 to 60 in . 300 to 1500 mm annular corrugated profile - wall polyethylene pipe and fittings for gravity - flow storm sewer and subsurface drainage applications 自流式雨水管和地下排水装置用12至60英寸300 to 1500 mm环形波纹状异型壁聚乙烯管和配件的标准规范