20 元券减速机蜗杆涡轮NRVRV￥2780去看看巨微的小店43发布了MNRV75-60-Y2.2-F1涡轮蜗杆9减速机N8RV减速机NRVRV25RV0-0-F2减10 元券减速机蜗轮蜗杆机台扭矩￥7919.90去看看优朋严选店发布了TCG蜗轮蜗杆RV速机台创减速机NRVRV150减速机扭矩大减体积轻M巧
