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我矿选厂共有φ1500双螺旋分级机6台,其构造如图所示:此设备左右旋减速机原采用齿轮油或机械油定期添加的办法油浴式润滑,一般
I mine a total of φ1500 double-helical classifier 6, its structure as shown: This equipment left and right reducer gear oil or mechanical oil used to regularly add oil-bath lubrication, the general