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- Study on the behavior of ground pressure of gateway and support patterns in the relatively thin thick seam with fully-mechanized top-coal caving mining 较薄厚煤层综放回采巷道矿压研究
- thinner thick seam 较薄厚煤层
- By trial of fully mechanized caving in relatively thinner thick coal seam in Y.J.L.Coal Mine, the problems in mining are raised and the ways to increase its unit production are discussed. 通过对云驾岭矿较薄厚煤层综放的开采实践,提出了开采中存在的问题,并对如何提高综放工作面单产进行了探讨。
- thin and thick seam with steep dip 急倾斜较薄厚煤层
- New Mining techniques and equipments are utilized to raise the production and efficiency with longwall mining in thick seam. 为了提高中厚煤层长壁综采的高产高效,采用了新的开采技术工艺和设备,达到了预想的目的。
- An initial mining depth in the thick seam or a depth of a full seam cut will cause an obvious increasing in crack height and also in horseshoe distribution. 增大重复开采厚度以提高采煤工效和矿井经济效益;
- The plate bending system is required especially for thinner thickness. 厚度较薄的钢板轧制时尤其需要弯板系统。
- Shotholes are prepared by powerful drills. The drills may be mounted on mobile platforms, where an unusually thick seam is being worked in two benches; the bulldozer clearing the upper one gives some idea of the height. 炮眼预先用功率强大的凿岩机钻好。凿岩机安装在可移动工作平台上--较厚的矿层都分为两个台阶开采，推土机清理上层台阶形成一定的高度。
- Based on the recent years mining practice,study the technical management problems in thick seam mining,accumulate some actual experiences in roof management in thick seam,adopt the efficient technical measures and achieve the good result. 通过多年的开采实践 ,作者着重研究了厚煤层开采的技术管理问题 ,在厚煤层开采顶板管理方面积累了一些实际经验 ,采取了行之有效的技术措施 ,收到了较好的效果
- The machine will be compact because of the thin thickness and low weight of the bush. 薄壁结构、质量轻,可减少机械体积。
- He remained loyal to me through thick and thin. 他历尽艰辛始终都忠实於我。
- Objective To evaluate the thin thickness high resolution C T (HRCT) in the diagnosis of skull base fracture. 目的探讨颅底薄层高分辨螺旋CT扫描对颅底骨折的应用价值。
- Pillar-support method adopted for thick seam mining 刀柱采煤法在厚煤层开采中的应用
- My heart beat thick in the course of the interview. 在面试过程中我的心跳得厉害。
- Test of low slicing with coal roof in thick seam 忻州窑矿厚煤煤层下分层留顶煤开采试验分析
- The intraplatform point beach experienced good dolomitization and has good reservoir properties, with little development and thin thickness. 台地内点滩白云石化较好，储集性能也较好，但分布狭窄，厚度较薄，无规律可寻。
- The thin thickness small diameter brass antenna casing is introduced and plastic deformation theory in tension fracture process is analyzed. 介绍了开发研制的黄铜薄壁小直径天线套管，并对拉伸断裂的塑性变形理论进行了分析探讨。
- spontaneous ignition special thick seam 易发火特厚煤层
- I'll support you through thick and thin. 在任何情况下我都会支持你们。
- This machine utilizes bobbin winder and big rotary shuttle, especially available for sewing thick seaming work piece. 采用全回转式的大釜与大梭仔，适合粗线之车缝。
