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- 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 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.
- 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。
- Research of isolated section-grouting technology for overburden bed separation space to reduce subsidence 覆岩离层分区隔离注浆充填减沉技术的理论研究
- overburden bed separation 覆岩离层
- 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。
- 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。
- 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 brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- 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。
- isolated section-grouting for bed separation space 分区隔离注浆充填
- She rushed off to work leaving her bed unmade. 她匆忙去上班连床都没铺好。
- A mosquito netting completely surrounds our bed. 一顶蚊帐把我们的床完全围住了。
- It was hard work getting the children off to bed. 哄孩子们去睡可不是容易的事。
- I threw off my clothes and tumbled into bed. 我脱掉衣服倒在床上便睡了。
- I usually go to bed at half past ten. 我通常十点半睡觉。
- He lay face downwards on his bed. 他俯卧在床上。
- Please unplug the TV before you go to bed. 临睡前请拔下电视机的插头。
- She covered the bed with an old faded grey blanket. 她在床上铺着褪了色的灰色旧毯子。
