HYAT20×2×0.5长途对称电缆HYAT53-100×2×0.5长途对称电缆ZRA-HYA53-10×2×0.5长途对称电缆ZR-HYA5×2×0.75485铠装屏蔽双绞线RS485 RVSP32 1×2×1.5扩音对讲系统电缆HAVP 13×32×0.15+4×48×0.15室内电话线RVS 2×0.5室内电话线HPV 2×0.5室外电话线HYB 2×0.5屏蔽通讯电缆ZRA-RS485-32 1×2×1.5屏蔽通讯电缆RS485 RVSP 4×0.5屏蔽通讯电缆RS485 RVSP32 2x2x1.5扬声器电缆HAV 2×32×0.15同轴电缆SYkV-75-5-室内电话线HBSYV 1×2×1.0组合电缆SFTP+RVV 2×1组合电缆STP6+RVV 2×1长途对称电缆ZRA-HYAT10×2×0.5