扩孔钨钢钢球硬质
减速机波箱45.9818.5
减速机换向器45.982.2
轴承滚子圆锥变速箱
斜齿轮蜗轮YEJ电机
减速机给煤机蜗轮蜗杆45.98
减速机45.981.5MID
齿轮箱制动变频减速
减速机庐山齿轮左右