据初步调查，事故系矿井下电缆短路引发火灾。
An initial investigation indicates the fire was caused by a short circuit in underground cables.
17日20时10分许，陕西省韩城市桑树坪小南沟煤矿井下电缆着火，造成28名矿工遇难。
All of the 28 miners who were working in the shaft were killed when an underground cable caught fire at about 8:10 pm at Xiaonangou coal mine at Sangshuping Township of Hancheng City.
煤矿井下的特殊环境限制了现有的以光纤或视频电缆为传输介质的矿井视频监视系统的推广应用。
The special circumstance of mine limits the abroad application of existing mine video supervising system which is based on fiber medium and video cable medium.
对高压电力电缆辐射热缩式接头性能及辐射热缩式接头工艺进行分析，并提出了在煤矿井下应用注意事项。
This paper analyses function and technology of high voltage power cable radiation connector, puts forward matters needing attention in underground coal mine.
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。
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.
目前我国煤矿井下通讯基本上是有线装置，依靠电缆传输信息，一旦发生事故，通信马上中断。
At present, we use wire communication underground coal mine in our country. Information is transmitted by electric cable. When the accident happened, the communication is discontinued at once.
敷设在室内、矿井中、水中，电缆能承受相当的拉力。
For laying indoors, in shafts and water, able to bear moderate pulling force.
敷设在室内、矿井中、水中，电缆能承受相当的拉力。
For laying indoors, in shafts and water, able to bear moderate pulling force.
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