| 1. | How did you get in here ? - i came up the air shaft
你是怎么进来的？ -我从通风管进来的
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| 2. | - how did you get in here ? - i came up the air shaft
-你是怎么进来的？ -我从通风管进来的
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| 3. | Optimium reformation practice of north air shaft ventilation system
通风系统优化改造实践
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| 4. | . . . with gas in the air shaft
. .把掩体里的人都毒死。
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| 5. | With gas in the air shaft
.把掩体里的人都毒死。
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| 6. | Reforming control system of no . 2 fan lubricating station of huainan panyi mine east air shaft
风机稀油站电控改造
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| 7. | Choosing and application of the emergency ventilation plan during repairing air shaft
风井井筒修复期间应急通风方案的选择与实施
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| 8. | Comprehensive treatment to skip airleakagc outside air shaft to raise ventilation capacity
综合治理箕斗风井外部漏风提高通风能力
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| 9. | In the air shaft
在通风管道
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| 10. | Stability analysis of coal pillar and reinforcement technology in north air shaft in dongpang mine
东庞矿北风井煤柱稳定性分析及其加固技术
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