供应通信软电缆MHYVR MHYVP...
厂家直销-矿用网线MHYV-3*2*...
MHYVR 8*2*7/0.37 矿...
MHYVRP 20*2*0.8 矿用...
MHYVR 5*2*7/0.43矿井...
MHYV1*6*7/0.52井下通信...