供应20对;30对;50对矿用通信电缆MHYAV系列20对;

供应矿用电缆;矿用通信电缆;矿用信号电缆矿用电缆;矿用通信电

供应矿用电缆;矿用通信电缆;矿用电话线矿用电缆;矿用通信电缆

供应MHYAV电缆;矿用通信电缆MHYAV;阻燃通信电缆MH

供应MHYA32电话线_钢丝铠装电话线MHYA32MHYA3

MHYA32矿用通信电缆-井筒用矿用通信电缆MHYA32MH

供应大对数通信电缆HYA HYV 2400＊2＊0.4 24

供应大对数线缆,20对30对50对100对,HYA,HYAT

供应市内通信电缆/HYAT /HYAT53市内通信电缆/HY

供应市内通信电缆-HYAT22市内通信电缆-HYAT22