您要查找的是不是:
- Datuanshan XI #2 orebody at shizishan copper mine is a deep large size orebody,mined by the sub level open stoping method. 狮子山铜矿大团山XI%232矿体系深部厚大矿体,采用分段空场法开采。
- This technique is better in solving the technical difficulty in preventing the fillbody from failure when conducting a blasting in upward drift stoping with cem... 这种技术较好地解决了上向进路胶结充填法回采爆破时防止爆破破坏充填体的技术难题。
- Trails of industrial draw body were carried out by installing marking particles in ore mass to study structure parameters of sub level caving of Meishan Iron Mine. 采用在试验矿体中设置标志颗粒,进行工业放出体试验,对梅山铁矿无底柱分段崩落法的采矿结构参数进行研究。
- The Application of Sub level Open Stoping Method in Deep Large Size Orebody at Shizishan Copper Mine 分段空场法在狮子山铜矿深部厚大矿体开采中的应用
- Keywords Sub level open stoping method;Stope bottom structure;Stope slotting;Production blasting;Secondary blasting; 分段空场采矿法;采场底部结构;采场拉槽;回采爆破;二次爆破;
- Slice Drift Stoping with Roof Cut Caving and Its Application 分层进路挑顶崩矿回采工艺及其应用
- fully mechanized sub level caving working face 综放工作面
- Keywords filling method;drift stoping;unsized tailings; 充填采矿法;进路回采;全尾砂;
- Stability Analysis of the Artificial Roof in Drift Stoping of Crown Pillar 进路法回采顶柱人工假顶的稳定性分析
- I had to sub for the referee, who was sick. 裁判病了,我得代为裁判。
- Keywords Underhand drift stope and filling;Stope structural parameter;Numerical simulation;Stability analysis; 下向进路式充填法;采场结构;数值模拟;稳定性分析;
- I'd like a room on the upper level. 我想要楼上的房间。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- Talking about the reform of conveying system in the second level drift of Xinxing Coal Mine 浅谈新兴矿五采区二水平运煤系统的改造
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- Keep a level head and phone the Fire Department. 保持冷静,打电话给消防署。
- A football field should be level. 足球场地应该平坦。
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- Construction method on multi?level drift excavating before changing bucket to cage of the shaft hoisting system 竖井改绞前的多中段巷道施工方法