您要查找的是不是：
- jet nozzled rock bit 喷射式牙轮钻头
- Study on Rock-breaking Mechanism of Nozzle Jet of Rock Bit 牙轮钻头喷嘴射流破岩机理研究
- APPLICATION AND RESEACH-DEVELOPMENTOF WATER JET TECHNOLOGY IN ROCK BIT 水射流技术在牙轮钻头中的应用与研究进展
- The influence of the jet nozzle shape,pressure and the angle of entrance on jet characteristic was studied based on experiment. 在实验的基础上分析了诸如:喷嘴出口形状,压力及入口角的改变对射流形态变化的影响。
- The paper introduced the successful application of high bench caving method of using deep hole roller rock bit into the practice of solving the complex goaf area,a stuff problem of this kind. 采用深孔牙轮钻机、利用高台阶崩落法成功地处理了复合采空区,解决了复合采空区处理难的问题,使技术人员在熟练浅采、深采空区处理的情况下,又探索出复合采空区的处理方法。
- The Fluent analytic software for fluid is simply introduced,and the structure and characteristic of the spiral water jet nozzle are technologically analyzed too. 对fluent流体分析软件做了简要概述,并对旋转喷嘴的结构及其特性做了技术性分析;
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- The water steam ratio in desiccant course and wetting course was compared,the result shows that multi-point spraying air condition room without jet nozzle has higher heat & wet exchange rate,c... 对比了加湿、去湿过程中的水气比,认为多点喷雾无喷嘴空调室不但使空调室的热湿交换效率高、节能、节水,而且能有效捕捉造成煤灰纱的油烟、灰尘、煤灰等微细颗粒。
- Rod thread for detachable rock bit 可挂摘钻头用钎杆螺纹
- Cone type roller bearing rock bit 滚柱轴承锥形牙轮钻头
- The dark outline of a jet loomed through the mist. 喷射机的黑色轮廓在雾中隐隐显现。
- rock bit for water well drilling rig 打水井机凿岩钻头
- Effect of Machining Process on Rock Bit Cone Break 机加工工艺对钻头牙轮开裂的影响
- The impact pressure of swirling jets, produced by water-cushion swirling abrasive jet nozzle, was measured by continuous shooting images of the symbol in the piezometer tubes. 摘要利用测压排摄像自动读数法，测量了水垫式旋转磨料射流喷嘴所产生旋转射流的冲击压强。
- Model of impact between rock bit and wall of well 钻头与井壁碰撞模型的建立及分析
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- The impact pressure of swirling jets,produced by water-cushion swirling abrasive jet nozzle,was measured by continuous shooting images of the symbol in the piezometer tubes. 利用测压排摄像自动读数法,测量了水垫式旋转磨料射流喷嘴所产生旋转射流的冲击压强。
- 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。
- Hey, look, that jet airliner is hopping off. 嗨，看啊，那架喷气式班机起飞了。
