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管道排水
agric. tube draining
bridg.constr. pipe drainage
hydroel.st. pipe drain; tube drainage
tech. tube drain
管道 排水: 71 phrases in 15 subjects
Agriculture5
Animal husbandry1
Architecture2
Automobiles1
Bridge construction2
Ecology2
Electronics2
Engineering geology4
Hydroelectric power stations7
Hydrology1
Metallurgy1
Nautical1
Rail transport2
Technology39
Water resources1