现场应用结果表明，射流脉冲通风对治理上隅角瓦斯积聚具有良好的效果。
The on-the-spot application showed that it is very effective for pulse ventilation in prevention and control of accumulated gas at the upper corner angle of coal face.
现场试验表明，环绕射流脉冲通风对治理上隅角瓦斯积聚的效果良好。
A field experiment shows that the rotary jet pulse ventilation is very effective for prevention and control of gas accumulation in the upper corner of coal faces.
实践证明，通过对矿井瓦斯的有效抽采，可以使矿井的通风管理、瓦斯治理工作稳步提高，矿井安全可靠度增强。
Practices have proved that effective gas extraction can improve ventilation management, gas control and reliability of work safety in the mine.
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