Coal
煤层
煤矿
燃煤
煤质
采煤
煤柱
煤耗
矿井
粉煤
喷煤
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10 mineable coal seams in Inner Mongolia
内蒙十层可采煤
11-2 Coal Seam
11-2煤层
13-1 Coal
13-1
200MW unit coal consumption
200MW机组煤耗
21 Coal
美国化学工程师学会
二1
Ⅱ 1 coal bed
二1煤层
Ⅱ1 coal bed
滑动构造
3(#) coal
3(#)煤层
38 Coal Fired Boiler Quantitative Management
燃煤锅炉量化管理
3S coal bed
三软厚煤层
4-channel TC type coal burner
四通道窑用喷煤
6 coal seam
煤层
6m Coal Fumance
6m
A Application of Coal Ash Protection
粉煤灰的应用
abandoned coal area
采空区
Abandoned Coal Mine
废弃煤矿
废弃矿井
Abandoned Coal Mines
废弃煤矿
报废矿井
abandoned coal pillar
走向煤柱
abnormal coal
异常煤质
abnormal coal mining face
不规则工作面
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