... long-duration measurement 长期计量 long-flame coal 长焰煤 long-form report 详细查帐报告 ...
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long flame coal 长焰煤 ; 烛媒 ; 长火焰煤
Yima long flame coal 义马长焰煤
Shenmu long flame coal 神木长焰煤
Shenhua long flame coal 神华长焰煤
long flame bituminous coal 长焰煤
long-flame run-of-mine gas coal 长焰原煤
·2,447,543篇论文数据，部分数据来源于NoteExpress
Coal ranks in the Yuanyanghu mine area are mainly non-caking coal, long flame coal the second, all good coals for coal chemical industry and power plant.
鸳鸯湖矿区以不粘煤为主，长焰煤次之，是良好的煤化工和动力用煤。
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