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- ultra-low frequency vibratory drilling 超低频振动钻削
- 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
- Keywords vibratory drill;ratio of frequency to rotative velocity;elasticity deformation; 振动钻孔;频转比;弹性变形;
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- 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。
- 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。
- vibratory drilling 振动钻进
- 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。
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
- vibratory drill 振动钻孔
- 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。
- 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。
