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- 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。
- prevention and control of mine strata pressure 矿压防治
- strata pressure releasing in advance 超前卸压
- 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
- Strata pressure and supporting of cross-cut when mining face overpassed 工作面过石门矿压与支护
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Roof support repair technology for failed gateway under mining strata pressure 回采压力下受损巷道支护修复技术
- 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。
- 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
- What's the atmospheric pressure today? 今天的气压怎么样？
- 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。
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严，所以他退学了。
- It took a bit of pressure to make the lid close. 要稍按一下才能把盖子盖紧。
