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.
一种外置式井下电缆防护套，涉及一种油气井井下电缆配套装置。
The utility model discloses an external underground cable protective sleeving, relating to an assorted device for oil and gas well 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.
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