控制电缆1
KVV22 45 KVVP KVV KVV KVVR KVV22(铜芯 KVV控制电缆 KVVRP 铜芯
wdz-byj, wdzn-byj WDZB1-YJ wdzb1-by 矿物质防火电缆 更名为四川韦克电