Theoretical analysis of local-control irrigation, i. e. , non-pressure underground irrigation, is conducted, and soil water movement equation is presented.
对局部控水灌溉（无压地下灌溉）技术从理论上进行了分析，并给出了其土壤水分运动方程。
This combination of research, puts forward the fatigue strength of high-pressure gas underground storage Wells, control measures, provide recommendations for engineering practice reference.
结合本文的研究，有针对性地提出了高压气地下储气井疲劳强度的控制措施，为工程实践提供建议参考。
The phenomenon of underground pressure and principle of surrounding rock control of deep shaft coal roadway are introduced.
分析深井煤层巷道围岩变形特征和支护失效的原因，提出此类巷道的内外结构耦合平衡支护原理。
The phenomenon of underground pressure and principle of surrounding rock control of deep shaft coal roadway are introduced.
分析深井煤层巷道围岩变形特征和支护失效的原因，提出此类巷道的内外结构耦合平衡支护原理。
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