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一、工作面概况李嘴孜矿西三采区-140mC13顺槽【即1322(3)工作面上顺槽】位于该采区的(东)第一阶段正下方,第一阶段已回采完毕,距上阶段机巷垂高仅5m,第二阶段西工作面已经回采完毕。故该工
First, the face profile Li Zizi mine West Third Mining Area -140mC13 Shun slot [1322 (3) face up slot] is located in the mining area (East) immediately below the first stage, the first stage has been completed mining, From the last phase machine lane hanging only 5m, the second phase of the West face has been completed mining. Therefore, the workers