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原污泥
earth.sc. raw sludge
ecol. fresh sludge
tech. crude sludge; primary sludge
污泥
tech. raw sludge
原〔始〕污泥
earth.sc. primary sludge
原污泥污水中的沉淀
ecol. raw sludge
原污泥
: 5 phrases in 2 subjects
Oil / petroleum1
Technology4