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- It is shown that the stabile regions nearby bifurcation point have relations with the angle of bedding slop, the material of rock mass and the geometrical properties. 研究表明:分叉点附近的邻域与边坡坡角、岩体材料及结构几何特征有关;
- The treatment methods such asthe use of rock bolts and shotcrete are summaried. 同时总结了岩爆防治的有关措施。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- 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。
- It is necessary to test the holding state of rock bolts nondestructively for the project. 近些年来,锚杆的锚固质量检测技术得到了快速发展。
- In this program,the smooth surface blasting and inject method of rock bolting network are applied. 先让后抗,抗让结合"为支护原则,以喷锚网支护为基础的不良岩层中大断面巷道掘进的一些技术问题。
- A spur of rock stuck out from the mountain. 山背上突起一个石脊。
- Coal, oil and mineral are the raw material of industry. 煤、石油和矿产品都是工业原料。
- The Application of Rock Bolt to the Footing of Billboard 灌浆楔型锚杆在广告牌基础中的应用
- Roof falling of rock bolting supported tunnel is usually paroxysmal in a big area, so safety monitoring is of great importance. 锚杆支护巷道顶板冒落具有突发性和冒落面积大的特点,安全监测非常必要。
- KANG Hong-pu.FLAC analysis on affecting factors to rock bolting in gateroads.Chinese Journal of Rock Mechanics and Engineering,1999,18 (5):497-502. [9]康红普.;回采巷道锚杆支护影响因素的FLAC分析[J]
- The sandlike granular material of urinary calculi. 结石泌尿结石的沙状微粒物质
- Design and Experiment Study of Rock Bolt Foundation in North China 华北地区岩石锚杆基础设计及试验研究
- She was the raw material of a divinity. 她本是一副天神的胚子。
- Study on anchoring type and anchorage system of rock bolt 岩锚新的锚固方式及锚固体系的研究
- He managed to hang on to a piece of rock protruding from the cliff. 他设法抓住了悬崖上向外伸出的岩石。
- What is the material of the manifold? 管路的材料是什么?
- Pls. Advise exact material of your offer! 请告知准确材质!
- They drilled through several layers of rock to reach the oil. 他们钻透了几层岩石以寻找石油。