It is difficult to maintenance the wire communication device in the pit because the ground is wet, cable corrosion is serious and sign al is bad.
由于煤矿井下地面潮湿，电缆腐蚀严重，信号不好，有线通信装置维护困难。
The overhead OPGW, being of functions of the overhead ground wire and communication optical cable for transmission lines has demonstrated its advantages day by day.
架空地线复合光缆（OPGW ）兼输电线路架空地线和通信光缆功能于一体，正日益显示其优越性。
For construction, pipeline protection, bundled items, degaussing coil, automobile wiring harness, wire and cable insulation, ground protection, warning role. Easy to tear PVC is also easy to tear.
用于建筑，保护管道，捆扎物品，消磁线圈、汽车线束、电线电缆绝缘，地面保护，警示等作用。易撕pvc还方便易撕。
The state of failure caused by ground cable or common retura wire has been analysed with electrical light circuit of motor vehicle made by the Hangiang Automotine company as object…
针对汉江汽车公司的汉江牌汽车的灯光线路，分析了接地部分引起的故障状态，从而为判断线路故障提供了可靠的理论依据。
When welding current is fixed, some important information such as length and section area of welding cable, connection of ground wire can be shown by output voltage of instantaneous arc-striking.
在焊接电流确定的条件下，引弧瞬间的焊机输出电压反映了焊接电缆长度、截面积以及地线连接情况等重要信息。
The complete set move and wire on the ground rail together with the cable plate, realized the wire drawn-in or lay-out centering, cable does not curl and distortion breadthwise;
整机连同缆盘在地轨上行走排线，实现了线缆对中收排、防线，电缆不产生横向弯曲变形；
The complete set move and wire on the ground rail together with the cable plate, realized the wire drawn-in or lay-out centering, cable does not curl and distortion breadthwise;
整机连同缆盘在地轨上行走排线，实现了线缆对中收排、防线，电缆不产生横向弯曲变形；
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