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| Upper Corner Gas Overrun Control Technology in Mining Working Face |
| LIU Xiao-dan |
| Shanxi Coking Coal Huozhou Coal and Electricity Lvliangshan Coal and Electricity Corporation Ltd., Fangshan 033100, China |
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Abstract Based on working face gas overrun in upper corner, 6 feasible methods of controlling mining working face gas overrun in upper corner were put forward. The practice showed that the gas comprehensive control technology was active for safe production of mine.
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