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地下排水管
agric. covered conduit
ecol. subsoil drain; underdrain
eng.geol. underdrain pipe
hydroel.st. subdrain
tech. subsoil drainage pipe; subsurface drain pipe; tile subdrain; underground drain; underground drain pipe
地下排水管〔系统〕
gen. underdrainage
地 下 排水管: 37 phrases in 7 subjects
Agriculture3
Animal husbandry1
Architecture1
Ecology2
Engineering geology1
Hydroelectric power stations2
Technology27