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- Based on analyzing the mechanical property of the two different roadways supported with bolts, the mathematical representations of roof bedding separation critical value were got. 在此基础上通过近似和简化,求解了两类锚网煤巷的离层临界值数学表达式。
- The Cause and Data-dealing Method of Roof Bed Separation in the Roor Bolting With Bar and Wire Mesh 锚梁网巷顶板离层机理和观测数据处理
- Manufacture and Application of Intellective Roof Bed Separation Monitoring Apparatus 智能型顶板离层监测仪的研制与应用
- roof bed separation 顶板离层
- There exits bed separation zone above water-conducting crack zone overburden after coal mining. 煤层采后覆岩中的导水裂隙带之上存在离层带。
- Made sure the interior principle of isolated section-growing for overburden bed separation space by numerical simulation and analyzed its applicable conditions. 采用数值模拟方法对离层分区隔离注浆充填原理作了进一步证实,并时其适用条件进行了分析。
- The mining bed separation zone grouting technique has been tested successfully in some collieries which could decrease or slow down the subsidence developing to the surface. 覆岩离层带高压注浆减缓地表沉降技术可以有效地减少或缓和沉降向地表发展。离层空间发育大小是进行离层带高压注浆工程设计的重要参数之一。
- This review elucidates the significance of developing air heavy medium fluidized bed separation technology.The principle of separation and bed characteristics are introduced. 本文阐述了开展研究空气重介质流化床分选技术的意义,介绍了空气重介质流化床分选原理和空气重介质流化床的床层特性。
- She and I can't live under the same roof. 她和我不能住在一起。
- The study of mining-induced fracture distributions is closely related to some mining engineering problems such as mining under or above water bodies,relieved coalbed methane drainage, overburden bed separation grouting and mining subsidence control etc. 岩层采动裂隙分布的研究与水体下和承压水上采煤、卸压瓦斯抽放、离层区充填与开采沉陷控制等工程问题紧密相关.
- Therefore, the method of grouting bed separation can be adopted to ensure the long-term stability of the main key stratum, and eliminate the rock burst danger induced by main key stratum break. 因此,可采用覆岩离层注浆等技术手段保证覆岩主关键层的长期稳定,消除主关键层岩破断引发的冲击矿压危险。
- The stone made a dent in the roof of my car. 我的汽车顶让石头砸了个坑。
- Snipers shot at the invaders from the roof tops. 狙击手从房顶上向侵略者射击。
- The rain water drips from the roof. 雨水从屋顶滴下来。
- During the gale roof tiles came hurtling down. 在暴风中屋顶的瓦片哗啦啦地落了下来。
- The results show that the key strata control the emergence, development and space-time distribution of the overburden bed separations and fractures. 结果证明:覆岩关键层对离层及裂隙的产生、发展与时空分布起控制作用。
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- Can you shoot up at the bird on the roof? 你能射中房顶上的那只鸟吗?
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- The rain drip down from a leak in the roof. 雨水从屋顶的裂缝中滴漏下来。