矿用信号电缆MHYVRP

MHYVR矿用信号电缆-MHYVR

主传输信号电缆MHYVP 2×2×7/0.52

电话电缆hya 20对100对电缆 HYA KVVP

矿用钢丝电缆MHYA32 MHY32 MKVV32

MHJYV-矿用电话电缆MHJYV HYA KVVP

煤矿用电话线新型号MKVV MKVV22

煤矿用电话线MHYV22 MHYA32 20X2X

MHYV32矿用电话线MHYV32MHYV32

软芯矿用电缆MKVVR HYA

PZY23铁路信号电缆

PZY23信号电缆