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.
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