20.可挠性金属电线保护软管普利卡 PLC Plica Flexible Conduit
PLC: 外层为镀锌钢带,中间层为铝带,里面为耐水电工纸
PLC:Outer layer is galvanized steel(Fe Zn).Middle layer is aluminum(AL).Inner is one fibre layer(P
21.可挠性金属电线保护软管普利卡 PLCP
PLCP: 外层为PVC,中间层为钢带,里面为耐水电工纸
PLCP: Outer layer is PVC.Middle layer is galvanized steel(Fe Zn).Inner is one fibre layer(P)