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- Best thick seam 白牛肚
- 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
- Pillar-support method adopted for thick seam mining 刀柱采煤法在厚煤层开采中的应用
- 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
- thin and thick seam with steep dip 急倾斜较薄厚煤层
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
- spontaneous ignition special thick seam 易发火特厚煤层
- She is one of the best hurdlers in the world. 她是世界上最优秀的跨栏选手之一。
- 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。
- Buying a house is the best hedge against inflation. 购买房子是防止通货膨胀的最佳保障。
- He nabbed the best seat in the house. 他抢到剧院最好座位。
- Application of Cable Anchor Support in Gate of Thick Seam 锚索支护在厚煤层顺槽中的应用
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- Although he's nearly fifty, he can still play tennis with the best. 尽管他已年近五十，可是他网球还是打得不比别人差。
- Application of cable anchor in roadway of thick seam 锚索在厚煤层顺槽支护中的应用
- Tessa laid out her best dress to wear at the party. 特莎准备出她最好的衣服去赴会。
- He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
