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- strata pressures law 矿压规律
- strata pressure law 矿压规律
- strata pressure laws 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。
- 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。
- 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 law provides that these ancient buildings must be preserved. 法律规定，这些古老的建筑应该保存。
- The police are responsible for the enforcement of the law. 警察负责执法。
- Every citizen should be obedient to the law. 每个公民都应当是遵守法律的。
- 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
- He is accused because offending electoral law. 他因被指控触犯选举法而遭逮捕。
- The law does not prescribe for such offences. 对此恶行法律并无明文规定。
- prevention and control of mine strata pressure 矿压防治
- The highway code is not itself part of English law. 公路法规本身并非是英国法的一部分。
- strata pressure releasing in advance 超前卸压
- A true scientific law admits of no exception. 真正的科学定律不允许有例外。
- The law obliges us to pay taxes. 法律使我们负有纳税的义务。
- Financial pressures are bearing down on them. 经济压力正在对他产生影响
