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铁法矿务局现有８对生产矿井和１对在建矿井，设计总能力为年产１２１５万ｔ，１９９７年实际产量达到１５０６万ｔ，主要技术经济指标为下：原煤产量／万ｔ１５０６综采产量／万ｔ１３７７巷道总进尺／ｍ８５２１７综掘进尺／ｍ２３１００综采程度／％９６９８综掘程度...
The Tiefa Mining Bureau currently has 8 pairs of production mines and 1 pair of mines under construction. The designed total capacity is 12.15 million tons per year. In 1997, the actual output reached 15.06 million tons. The main technical and economic indicators are as follows: Raw coal output / Production / ten thousand t1377 Roadway Total footage / m85217 Fully mechanized mining footage / m23100 Fully mechanized mining degree /% 9698 Fully excavation level ...