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煤层气 méicéngqì
agric. coal bed gas
earth.sc. coal bed methane
oil coal-bed gas; coalbed methane
tech. coal mining methane
煤层气赋存于煤层及其围岩中的煤成气 méicéngqì
expl. coal bed gas; coal seam gas
煤层气: 14 phrases in 5 subjects
Agriculture1
Geology1
Mining3
Oil / petroleum2
Technology7