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- The sharp rocks cut through his pants legs. 尖利的岩石撕破了他的裤腿。
- Water jet, as a novel rock cutting tool, can be combi ned with mechanical method to increase penetrating efficiency. 水射流作为一种新型切割工具运用于石油钻井中,与机械联合破岩可提高破岩效率。
- Numerical simulation model of rock cutting by disc cutter was created by using ANSYS-LS/DYNA and rock cutting process by disc cutter was simulated. 摘要利用ANSYS-LS/DYNA建立盘形滚刀破碎岩石的数值仿真模型,对盘形滚刀破碎岩石进行分析仿真。
- Fallen rocks cut off the only access to the village. 落石阻断通往村庄的唯一通道。
- Based on the principle of cumulative charge explosion,a new kind of rock cutting blasting technique,the jet perforator charge blasting in small diameter boreholes,is developed in this paper. 本文介绍了适用于小直径炮孔爆破的岩石聚能切割爆破技术。
- Investigationsat each of the locations revealed stone masonry, remains of walls,square rock cut remains, scattered square and rectangular stone blocksand a big platform with steps leading to it. 调查在每一个地点发现砌石,仍然墙壁,方岩削减仍然存在,分散广场和矩形石块和一个大平台,步骤导致它。
- When the fluid stops moving it forms a thick gel that suspends the rock cuttings and keeps them from sinking to the bottom of the borehole. 钻井液停止流动后,就会形成一种粘稠的凝胶体,这种凝胶体可使岩石钻屑悬浮在其中,从而防止它们沉入钻孔底部。
- Rock cutting by high pressure water jet 高压水射流破碎岩石
- Study on Chamber Control Blasting of Rock Cutting 石方路堑硐室控制爆破研究
- Construction Technique for Stratified Rock Cut 顺层石质路堑爆破开挖与防护技术
- 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。
- He cut the figure of a woman out of that rock with a chisel. 他用凿子把那块石头刻成了一个女人像。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- I haven't given up smoking but I'm cutting down. 我没有断烟,但是抽烟少了。
- 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。
- The mountain rise up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。