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- Keywords vibratory drill;ratio of frequency to rotative velocity;elasticity deformation; 振动钻孔;频转比;弹性变形;
- ultra-low frequency vibratory drilling 超低频振动钻削
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- 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。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- This drill can bore through rock. 这台钻机能钻透岩石。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
- vibratory drill 振动钻孔
- What's the drill for claiming expenses? 费用报销的手续,是怎样的?
- The class is chopped up into small groups for oral drill. 为进行口语训练,班级分成为几个小组。
- The pupils filed out of the room during the fire drill. 在消防演习中,学生们排成纵队走出房间。
- Vibratory Roller and Vibratory Compaction II. 振动压路机与振动压实技术2。
- Capableof or adapted to vibratory motion. 能够或适于震动的。
- It's an electric drill with a range of different attachments. 这是一个带有各种配件的电钻。
- Capable of or adapted to vibratory motion. 能够或适于震动的
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒,如牙钻蕊棒
- Research on Chip Breakage Condition of Gun-drilling in Low Frequency Vibratory Drilling and Losing of Amplitude 枪钻低频振动钻削深孔断屑条件和振幅损失研究
- As the diamond tip of the drill revolves, it is lubricated by mud. 在钻机的金刚钻头旋转的时候,泥浆便进行了润滑。