您要查找的是不是:
- 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
- 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。
- 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
- rock broken mechanism 碎岩机理
- 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
- 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。
- 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;
- 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;
- After many years, rocks break down /into/ dirt. 许多年以后岩石分解成为泥土。
- There is a huge rock breaking through the snows. 一块巨大的岩石凸出在雪地上。
- A piece of rock broke off and fell into the sea . 一块岩石断开,掉进了海里。
- A piece of rock broke off and fell into the sea. 一块岩石断开,掉进了海里。
- The top coal broken mechanism and reasonable determination of caving coal heigh in caving coal faces are expounded. 主要阐述了放顶煤工作面顶煤破碎机理及放煤高度的合理确定;
- On the basis of industry test,this paper analyses mining feasibility of applying roadway caving method and caving broken mechanism in high gas steeply indined medium coal seams. 在工业性试验的基础上,分析了在高瓦斯急倾斜中厚煤层中应用巷道放顶煤法开采的可行性和顶煤的破碎机理。
- rock breaking mechanism 破岩机理
- A piece of rock broke off and fell into the pool at the foot of the cliff. 一块岩石断裂开,掉到悬崖脚下的池塘里。
- Just then part of a large rock broke off.Green jade shone in the sun! 就在那时;一个很大的岩石分裂了.;绿色的翡翠在太阳下发光
- Because the process of rock broken is very complicated, there is a difference between the experimental data and theoretical result of expanding fissure by the present dynamic fracture theory. 由于岩石破碎过程非常复杂的,采用当前的动态断裂理论得出的裂纹扩展长度与实测值差异较大。
- 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.