介绍了煤巷锚杆支护在动压区留巷的实践，并通过观测及数据分析，得出了有借鉴意义的结论。
The practice of bolt support in reserved coal drift in mining pressure area is introduced, helpful conclusion is obtained through observation and analyse.
采用爆炸波原理建立了喷流区和喷流干扰区的气动压力计算模型。
The aerodynamic pressure expression at jet location and in the area of jet interaction is established by blast wave principium.
在对量测技术进行研究和改进的基础上，对不同流态区清水和浑水脉动压力进行了系统的对比观测。
In a conceptual model, fluctuating pressure of clear water and muddy water is measured with improved measuring techniques.
在对量测技术进行研究和改进的基础上，对不同流态区清水和浑水脉动压力进行了系统的对比观测。
In a conceptual model, fluctuating pressure of clear water and muddy water is measured with improved measuring techniques.
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