您要查找的是不是:
- spontaneous thick seam 易燃厚煤层
- spontaneous ignition special thick seam 易发火特厚煤层
- 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;
- 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
- Technology of spontaneous combustion control for fully mechanized caving mining in high gassy combustible thick seam 高瓦斯易燃特厚煤层综放开采自燃防治技术
- Application of the Horizontal Slicing Method in the Steeply Inclined Thick Seam with Large Outburst and Easy Spontaneous Fire 水平分层采煤法在高突易自燃急倾斜厚煤层中的应用
- 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
- Research on mine fire extinguishing countermeasures for fully mechanized longwall face in spontaneous combustion thick seam 易自燃厚煤层综采工作面防灭火对策研究
- 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。
- He is spontaneous to offer help. 他主动提供帮助。
- thin and thick seam with steep dip 急倾斜较薄厚煤层
- Mine fire control technology for face remove of fully mechanized caving and mining face in ultra long island with spontaneous combustion thick seam 易燃厚煤层超长孤岛综放面撤除期防火技术
- Natural, spontaneous verbal utterance. 自然的、朴素的语言发声
- For a while, the darkling star disappeared behind thick clouds. 隐约出现的星星暂时消失在厚厚的云层後面了。
- She shows a spontaneous gaiety of manner. 她露出天真愉快的神态。
- She felt that his love had always been covered by thick cloudiness. 她觉得他的爱总是笼罩在浓厚的朦胧中。