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日前,在吉林珲春板石煤矿坡度为25°、进尺约1000m的主斜井下,1台由沈阳三一重型装备有限公司生产的世界首个大坡度掘进机正在工作,其履
Recently, one of the world’s first large-grade roadheader produced by Shenyang Sany Heavy Equipment Co., Ltd. was working at a main incline with a slope of 25 ° and a footage of about 1000m at Huochuan Banchuang Mine in Jilin Province.