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暗煤 ànméi
gen. dullcoal
met. attritus; durain
oil dull coal
tech. cherry coal; durain (块); mat coal
暗煤 ànméi
gen. durite
tech. dull coal
暗煤硬块 ànméi
gen. durain
tech. dull coal
暗煤: 52 phrases in 4 subjects
General5
Metallurgy7
Oil / petroleum26
Technology14