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污水水质
railw. quality of sewage
tech. sewage quality; wastewater quality; water quality of sewage
污水水质这里所谓污水，即工厂企业所排出的废水，了解污水水质可进行不同方法的处理
ecol. water quality of sewage
污水 水质: 77 phrases in 13 subjects
Agriculture2
Desert science1
Earth sciences1
Ecology2
Electronics1
Environment2
Explosives and Explosive Ordnance Disposal1
Hydroelectric power stations2
Metallurgy3
Oil / petroleum1
Shipbuilding1
Technology55
Water resources5

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