EIB-BUS J-Y(ST)YH 2x2x0.8EIB总线 YCYM 2*2*0.8通讯电缆 EIB-BUS总线电缆型号 YCYM eib-BUS eib-BUS总线电缆_knx线2*2*0.8 KNX 2*2*0.8总线电缆 EIB总线电缆 KNX 2*2*0.8 EIB-BUS_EIB-BUS J-Y(ST) YH总线电缆 KNX/EIB-BUS总线电缆 EIB-BUS J-Y(ST)YH 2x2x0.8总线电缆 KNX-EIB-YCYM 2*2*0.8电缆 EIB智能照明电缆 2*2*0.8 YCYM 2*2*0.8 KNX 2*2*0.8电缆 智能照明专用电缆 2*2*0.8 CAN-BUS总线电缆 CAN-BUS专用通信电缆