我省大峪沟煤矿在我省煤炭厅和地方公司的支持下,1986年引进了美国飞尔奇公司制造的马克—22型薄煤层连续采煤机,并于1988年3月1日投入试用。截止到5月10日,共产煤6665吨、进尺670米,平均直接工效为2.18吨。其中5月份(截止到10日,实际生产时间为4天)产煤1099吨,进尺110米。 DaYugou Coal Mine in our province, with the support of our province coal hall and local companies, introduced the Mark-22 thin seam continuous coal shearer made by American Falcher Co., Ltd. in 1986 and put it into trial on March 1, 1988 . As of May 10, a total of 6,665 tons of coal, footage 670 meters, the average direct efficiency of 2.18 tons. Which in May (as of the 10th, the actual production time of 4 days) 1099 tons of coal production, footage into 110 meters.