Groundcable core insulation used with anti-oxidant properties of K-B type low-density polyethylene.
电缆地线芯绝缘采用具有抗氧化性能的K型B类低密度聚乙烯。
3
At present, the groundcable networking mode has been used for security company's WAN generally, this article presents using the 3g wireless communication to cover the shortage.