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- 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。
- fully mechanized sub level caving working face 综放工作面
- Keywords sub level caving;thick unconsolidated aquifers;safety pillars under water bodies;engineering geological model; 工程地质模型;放顶煤开采;厚松散含水层;防水煤岩柱;
- Keywords fully mechanized sub level caving;roadway along gob area;simulation calculation;depressurizing roadway;loosening blasting; 综采放顶煤;沿空巷道;模拟计算;卸压巷;松动爆破;
- 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。
- Reliability study of the production system using fully mechanized mining with sub - level caving method in parallel operations 平行作业综放生产系统可靠性研究
- I had to sub for the referee, who was sick. 裁判病了，我得代为裁判。
- 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。
- 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。
- 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
- I have told the whole story on the level. 我已经诚实地把整个事情经过讲出来了。
- The sub can outrun any destroyer. 这艘潜水艇比任何驱逐舰航行得都快。
- Find level ground for the picnic table. 找一处平坦的地面放野餐的餐桌。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- I have to sub on her for the new car I want to buy. 要买那辆新车，我得向她借点儿钱。
