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- In thesis some special -minings were analysesed and discussed for the unstable rock -surrounded ore body under well in baoshan lead zinc silve r mine. 针对湖南宝山铅锌银矿井下不稳固围岩内矿体,就几种特殊采矿方法进行分析和探讨。
- The unstable rock body with syncline structure on the right abutment of Danjiang arch dam are analyzed under the thrust from arch dam. 单江拱坝右坝肩存在一个向斜岩体结构,在拱坝推力作用下,有可能滑动破坏。
- Application of caving mining technology with bottom under condition of flat dipping mid-thick body and unstable rock caused the most of trench and bottom drift, located in abutment , to be destroyed and low recovery in south area, Xishimen Iron Mine. 摘要在缓倾斜中厚矿体底板岩性不稳固的条件下，采用有底柱崩落法，由于电耙道大多处于空区边部应力集中的部位，致使堑沟及底部结构巷道破坏严重而使回收率极低，采用无底柱崩落卸压则可有效解决上述难题。
- Abstract This paper presents the transformation situation of the hoist system for service shaft and the successful experience of driving hoist room in the break and unstable rock mass near to surface. 本文介绍了金厂峪金矿副并提升系统改造概况和在破碎不稳固的近地表岩体中开挖卷扬机硐室获得成功的经验。
- To control the unstable rock, a thorough study is needed as to the geological status of the road's side slope and the causes of the rock's unstableness. 在治理过程中，需要对公路边坡的地质情况，危岩的发育成因，做出较为透彻的研究。
- On the critical length of unstable rock stratum on bedrock slope 顺层岩质边坡不稳定岩层临界长度分析
- Research on Control Design Case to Toppling Unstable Rock in FEM 基于数值模拟研究倾倒式危岩的控制设计工况
- Research on control design case to sliding unstable rock in FEM 滑塌式危岩控制设计工况数值模拟研究
- RESEARCH ON ANCHORAGE CALCULATION METHOD FOR UNSTABLE ROCK 危岩锚固计算方法研究
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- The price of gasoline is unstable. 汽油价不稳定。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Stability controlling in large span tunnel under unstable rock conditions 不稳定岩堆体大跨隧道稳定性控制
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- Most of the countries in the region have unstable economies. 这个地区大多数国家的经济都不稳定。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
