JX-HF4R JX-HB-FFR补偿导线特性 JX-HBF4R JX-HBR补偿导线特性 EX-GA-VVR补偿导线EX-GS-VVR EX-GB-VV补偿导线EX-HS-VV EX-GA-VV 补偿导线EX-GS-VV NX-GA-VVR NX-GS-VVR补偿导线 NX-GB-VV NX-HS-VV补偿导线 NX-GA-VV NX-GS-VV补偿导线 补偿导线KC-H-FP1FP1R KC-HA-FP1FP1R 补偿导线KC-HA-FFRP1 KC-H-FFRP1 补偿导线KC-FF46RP1 KC-HS-FFRP1 NC-FF46RP1 NC-HS-FFP1补偿导线