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中马村矿是1970年简易投产的新井。倾斜长壁工作面回采,冒落法管理顶板。采石炭二迭纪大煤(系优质无烟煤)。倾角10度左右,煤厚平均6米,分层回采。现在生产水平-150米以上,至地表垂深220~300米之间,相对瓦斯量20~40米~3/吨。自1968年以来,已发生5次煤与瓦斯突出,最大强度突出煤644吨、瓦斯1.8万米~3。为保证安全生产,我们在党的正确领导下,以阶级斗争为纲,
Zhongmacun Mine is a new well that was put into operation in 1970. Longwall mining inclined face mining, roof management law. Quarrying Carbon two large coal (Department of high quality anthracite). Inclination of about 10 degrees, the average thickness of 6 meters, stratified mining. Now the production level of -150 meters above the ground to the depth of 220 to 300 meters, the relative amount of gas 20 to 40 meters to 3 / ton. Since 1968, five coal and gas outbursts have occurred, with the maximum intensity of 644 tons of coal and 18,000 to 3 meters of gas. In order to ensure safe production, under the correct leadership of the party, taking class struggle as the key link,