HYAT充油通讯电缆100x2x0....
MHYVP.MHYVRP-屏蔽通讯电...
矿井用铠装通讯电缆MHYA32
通讯电缆HYA50*2*0.5
RS485 2*1.5 通讯电缆
绞对加密通讯电缆HYV20*2*0....