50 元券减速机电机47.81KTK￥16220去看看tb4834777009发布了KTK06-YB5.5-4P减速机RF09-Y7.5-4P-47.81电机SK07-Y250 元券减速机电机47.81KTK￥32740去看看tb3461576601的小店72发布了KTK06-YB5.5-4P减速机RF09-Y7.5-4P-47.81电机SK07-Y2扩孔钢珠钨钢硬质合金￥18000去看看钢珠批发大全发布了YG6钨钢球硬质合金球47.81/47.815/47.82/47.825mm扩孔挤孔钢珠
