TRVVP 屏蔽信号传输电缆 ZR-KJYYVRPL22屏蔽信号电缆 KYVHR屏蔽电缆/信号电缆/通讯电缆1*1.5mm2 MHYVR(PUYVR)矿用信号屏蔽电缆 RVVB-105℃屏蔽信号线 PUYVRP屏蔽信号软电缆PUYVRP屏蔽信号软电缆 MHYVP矿井用屏蔽信号电缆 ZA-IA-YJVRP,ZR-IA-DJFYJPYP本安信号屏蔽阻燃电缆 WDZ-CONTR-39B机车屏WDZ-CONTR-39B机车屏蔽信号电缆 MHYA32、MHJYV矿用屏蔽信号电缆 MHYVP矿用防爆通信电缆/屏蔽矿用信号电缆 RS485总线/RS485信号线RS485屏蔽总线电缆