七星连接器NCS-16*-P  NCS-16*-R NCS-16*-PM NCS-16*-RF NCS-16*-AD NCS-16*-ADF NCS-16*-AD(F) NCS-16*-ADF(F)等老型号材质与形状变更新型号NCS-16*-P-CH  NCS-16*-R-CH  NCS-16*-PM-CH  NCS-16*-RF-CH  NCS-16*-AD-CH  NCS-16*-ADF-CH   NCS-16*-AD(F)-CH   NCS-16*-ADF(F)-CH