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- Experimental study of rock breaking mechanism of disc one cone bit 盘式单牙轮钻头破岩机理试验研究
- STUDY ON CONE BIT WITH COMPOSITE TOOTH AND ITS ROCK BREAKING MECHANISM 复合齿形牙轮钻头及其破岩机理研究
- A Study of the Rock Breaking Mechanism during Swirling Water Jet Drilling 旋转水射流破岩钻孔机理研究
- Numerical Simulation Study on Rock Breaking Mechanism and Process Under High Pressure Water Jet 高压水射流作用下岩石破碎机理及过程的数值模拟研究
- Keywords Bit nozzle;Hydraulic jetting;Rock breaking;Rock breaking mechanism;Jet drilling; 钻头喷嘴;水力射流;岩石破碎;破岩机理;喷射钻井;
- A mass of snow and rock break away and fall on the climber. 一堆积雪和岩石突然崩落到登山者的身上。
- Keywords high pressure;fluidic;rock breaking mechanism;gri pper;nozzle;bit;design; 关键词高压;射流;破岩机理;夹具;喷嘴;钻头;设计;
- There is a huge rock breaking through the snows. 一块巨大的岩石凸出在雪地上。
- rock breaking mechanism 破岩机理
- A mass of snow and rock broke away and fell on the climbers. 一堆积雪和岩石突然崩落到登山者的身上。
- A piece of rock broke off and fell into the sea . 一块岩石断开，掉进了海里。
- After many years, rocks break down /into/ dirt. 许多年以后岩石分解成为泥土。
- A piece of rock broke off and fell into the sea. 一块岩石断开,掉进了海里。
- The bending and torsional properties of Aramid fiber are tested and are compared with other fibers. Their breaking mechanism is also discussed. 对芳纶纤维的弯曲和扭转疲劳进行了测试分析;并与其它纤维进行比较;对它们的破坏机理作了探讨.
- rock broken mechanism 碎岩机理
- According to the spontaneous symmetry breaking mechanism, there is a vacuum boson is not material, and it took place after particles produced quality. 根据自发性对称破缺机制，真空中有并非玻色子的物质，它和粒子发生作用后产生了质量。
- By using a coutact gone method the chip breaking mechanism of UG chip breakers of carbide turning insert has been experimentally studied in this paper. 本文采用接触图形法对硬质合金可转位车刀片UG型断屑槽的断屑机理进行了实验研究。
- A new type bolt is developed,and breaking mechanism of present bolt-end is analyzed,and proofed breaking mechanism of new type bolt is given. 分析了现行锚杆尾部的破断机制,研制了一种新型金属粗尾锚杆,阐明了新型金属粗尾锚杆的防破断机理。通过分析,得出金属粗尾锚杆较其它锚杆不易发生断裂
- The sounds of rocks breaking in the desert have been compared to gunfire. 在沙漠地区岩石破裂的声音常被误会为枪声。
- The rock breaking can be changed from plastic broking in normal drilling to brittle explosion in gas drilling. 因此，使岩石破碎由常规钻井的塑性破碎转变为脆性炸裂。
