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煤炭是国家的重要资源。近年来,煤炭行业连年亏损,在全国统配的90个矿区中,亏损的就达88个。然而,山西潞安矿务局却一枝独
Coal is an important national resource. In recent years, the coal industry has been losing money year after year, accounting for 88 losses among 90 mining areas nationwide. However, Shanxi Lu’an Bureau of Mines is lone