德立 R系列减速机型号：R17、RF17、RXF17、R27、RF27、RXF27、R37、RF37、RXF37、R47、RF47、RXF47、R57、RF57、RXF57、R67、RF67、RXF67、R77、RF77、RXF77、R87、RF87、RXF87、R97、RF97、RXF97、R107、RF107、RXF107、R137、RF137、RXF137、R147、RF147、RXF147、R167、RF167、RXF167