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- She had lots of drill in listening. 她在听力方面受过许多训练。
- It was a kind of drill, we did it almost daily. 那是一个练习,我们差不多天天都做。
- Essential elements of drill hole. 钻孔具有的结构和尺寸因素。
- New recruits have three hours of drill a day. 新兵一天有叁小时的操练.
- They measured the length of drill collars yesterday. 他们昨天仗量了钻杆和钻链的长度。
- After months of drilling, oil was found off the coast. 经数月钻探，在沿海找到了石油。
- After several months of drilling in the desert, the prospectors struck it rich. 勘探者们在沙漠中花了几个月的时间钻井，终于钻出了石油。
- Dimond drilling sheet : Suit for various kind of drill machine. 简 介: 金刚石钻片：适用于台钻、进口、国产机械专用设备。
- Our class got lots of drills in algebra. 我们班在代数上有大量的练习。
- Fill tanks with required amount of drilling water. 向泥浆池中加入需要量的钻井水。
- Study of testing the force of cutting edge of drill point. 麻花钻头切削刃受力测试研究
- We did lots of drills in Grammar. 我们做了大量的语法练习。
- He was rudely awakened by the sound of drilling. 他突然被钻孔的声音吵醒。
- Measure rough dimension of drilling hole. 测量打孔珍珠大致尺寸.
- The floating Rotary Head avoids abnormally wearing of drill rods' threads. 滑动式动力头，避免钻杆丝扣的非正常磨损；
- For connecting the different type of spindle of drill with the drill bits. 用于不同型号钻机的主轴与钻头的联接。
- The floating trailing plates avoid abnormally wearing of drill rods' threads. 浮动式动力头拖板，避免钻杆丝扣的非正常磨损；
- In terms of drill and practice, self-paced computer-assisted instruction enables the student to advance rapidly- without being limited by the conflicting needs of the entire class. 就训练和练习来说，借助于计算机的自行规定速度的方法能使学生突飞猛进，不受全班学生互有矛盾需要的限制。
- After months of drilling, oil is found off the coast. 经数月钻探，在沿海找到了石油。
- Technology and economics of drilling in the region are evaluated. 评述了东方站地区钻探的技术经济指标。
