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- The reasons of using the jet drilling pump in drilling and usageme thods design course are expounded. 阐述了将射流泵应用于钻井的原因与使用方法,以及钻井泵的设计过程。
- The Design of Drilling Bits for Super High Pressure Jetting Drilling 超高压射流辅助钻井钻头设计
- 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。
- 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
- Ouantitatively Calculating Method of Rheological Parameters of Jet Drilling Mud 喷射钻井泥浆流变参数定量计算方法
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- 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。
- The workman is drilling in the wall. 工人正在墙上打孔。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- 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;
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The noise of the drilling is intolerable. 钻孔的噪音让人受不了。
- Hey, look, that jet airliner is hopping off. 嗨，看啊，那架喷气式班机起飞了。
- I felt completely disorientated with the jet lag. 我乘长途飞机後因生理节奏失调而感到昏昏沉沉的。
- This aircraft works by jet propulsion. 这架飞机是喷气推进的。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- You'd better set a goal before you start the drill. 练习开始前，你最好设定一个目标。
- After a long drill he told the squad to fall out. 操练了好半天之后，他让这个班解散了。
- Nell did not full for John's story about being a jet pilot. 内尔不相信约翰讲的自称是喷气机飞行员的事。
- She had lots of drill in listening. 她在听力方面受过许多训练。
