护套 扣式护线套 护线环 扣式护线环 护线圈 机板孔径规格（外径）44mm,5mm,6mm,7.8mm,9.5mm,12.7mm,15.9mm,19mm,22.2mm,25.5mm,30mm, 产品符合ROHS环保，颜色可以按客户要求，产品全部符合RoHs标准，业务一组：，龙先生，业务二组：，陈S
