礦用信號(hào)軟通訊電纜MHYVR 2X7/0.52+2X7/
礦用信號(hào)軟通訊電纜MHYVR 2X7/0.52+2X7/礦用信號(hào)軟通訊電纜MHYVR 2X7/0.52+2X7/,礦用電話線信號(hào)規(guī)格: 巷網(wǎng)絡(luò)信號(hào)電纜礦用信號(hào)軟電纜;礦用信號(hào)軟通訊電纜;礦用阻燃軟通訊電纜MHYVRP MHYVR 2X7/0.52+2X7/0.28 MHYV 20X2X7/0.28 10X2X7/0.28 5X2X7/0.28 2X2X7/0.28