Coal Beds
煤层
返回 19 条匹配短语对
high-dip coal beds
高倾角煤层
Macrostructure of coal beds
煤层宏观结构
minable coal-beds below
下伏可采煤层
structure and coal beds
构造与煤层
structure of coal beds
煤层结构
coal measures and red beds
煤系与红层
coal-bearing beds
煤系地层
brown coal and bitumionus coal
褐煤和烟煤
City Suburbs Coal Mine of the Coal Electricity Group Company of Yonycheng
永城煤电集团公司城郊煤矿
coal and coal ash
煤及煤灰
Coal and Coal Char
煤与煤焦
coal and coal gas opening together
coal and coal industry of Shanxi
山西煤炭
coal and coal processing in Shanxi
山西煤炭
Coal and Coking Coal Circulation
煤焦流通
COAL AND NON-COAL
煤与非煤
Coal as Received and Coal as Fired
入厂煤和入炉煤
coal bed methane and coal coordinative development
煤层气与煤炭协调开发
coal bed methane in coal mine area
煤矿区煤层
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