POTOFLEX-PuR PUR聚氨酯电缆 JTRVV-PUR PUR聚氨酯电缆 HAR-BLDJFLEX-PUR-UD PUR聚氨酯电缆 TRVVBG-PUR-5*6扁平电缆 ZA-TRVVP1J-PUR-450/750V拖链电缆 ZA-TRVVPJ-PUR柔性电缆 ZA-TRVVSPJ-PUR柔性电缆 ZB-TRVVSP1G-PUR聚氨酯电缆 ZB-TRVVPG-PUR聚氨酯电缆 ZB-TRVVSPG-PUR聚氨酯电缆 ZB-TRVVSG-PUR聚氨酯电缆 ZB-TRVVG-PUR聚氨酯电缆