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精煤 jīngméi
gen. cleans
earth.sc. concentrate
met. cleaned coal
oil head coal
tech. concentrates; float coal; washed coal
met. cleaned coal
精煤: 33 phrases in 11 subjects
Agriculture1
Business1
Chemistry1
Electronics1
Environment1
Explosives and Explosive Ordnance Disposal1
General4
Geology1
Metallurgy7
Oil / petroleum2
Technology13