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- strata pressure laws 矿压规律
- strata pressure law 矿压规律
- strata pressures law 矿压规律
- In addition, the effect of startup pressure gradient of Bingham fluid in stratum pressure distribution are analyzed. 分析了宾汉流体的启动压力梯度对地层压力分布的影响。
- The idea of key stratum pressure is put forward, and the ground pressure is mainly influenced by the breakage of key . 提出主关键层来压的新概念,指出回采工作面矿压显现程度主要受主关键层破断的影响。
- To solve strata pressure control of shallow coal seam with thick sand and thin bedrock, in-situ observation was carried out in Baoshan mine 6101 fully mechanized coalface, which is the first coalface. 摘要为解决厚砂层薄基岩浅埋煤层矿压控制问题，对宝山煤矿6101综采工作面（首采）进行现场实测。
- And every hydrodynamic unit of the hydrodynamics in the Songliao basin has its own characters in aspects of stratum pressure, the water-flow direction, potential level and vertical pressure grads. 且形成在地层压力、流动方向、流体势、垂直压力梯度等方面各具特征的局部水动力单元。
- The key point of Grand pressure law on working face of seam top coal caving method,the method of dealing with them,firstly caving and end caving of working face roof control are discussed. 论述了中厚煤层综采放顶煤工作面矿压显现规律和顶板管理的特点,指出了综放工作面顶板管理的方法,以及工作面初采、收作时顶板管理的要点。
- Research on law of strata pressure behavior in the steep inclined coal face 大倾角采煤工作面矿山压力显现规律的研究
- prevention and control of mine strata pressure 矿压防治
- strata pressure releasing in advance 超前卸压
- Practice of Pressure Law and Study on the Strata Behavior Regularity of Large Mining Height Fully-Mechanized Face 大采高综采工作面矿压观测及其显现规律研究
- Strata pressure of combining mining in steep and close seams 急斜近距煤层联合开采矿压显现规律
- Study on Development Blood Pressure Law of in Children 儿童血压发育规律的研究
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- We can follow the history of life through the strata. 我们可以通过这一层层的地层跟踪生命的历史。
- What's the atmospheric pressure today? 今天的气压怎么样？
