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群力机械厂老工人于功盛同志设计了一台双轴专用镗床。机床是用旧的皮带车床改装的。主轴上的夹盘夹住齿轮,用它带动两轴杆上的齿轮,使轴杆转动。机床
Qunli Machinery Factory in Gongsheng comrades designed a special dual-axis boring machine. The machine is converted with an old belt lathe. The chuck on the spindle grips the gear and uses it to drive the gear on the two shafts to make the shaft rotate. machine tool