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- Combined drill and milling cutter n. 复合钻铣床。
- BHA vibration experiment, based on analysis of forces born by drilling string at bottom hole, is done by imposing 3 typical underground forces on certain combination drilling string. BHA振动实验是在分析井下钻柱受到的作用力的基础上，通过对某组合的钻柱施加3种典型的井下作用力进行实验，利用设计的振动测量系统检测并分析数据，得到BHA的邵分振动规律；
- 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。
- Combination drilling concentric completion rig 钻井完井两用钻机
- 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。
- three combination drilling machine 三面钻组合机床
- We tried it in every conceivable combination. 我们把能想到的各种组合都试了一遍。
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
- These players made a very good combination. 这些球员们配合得很好。
- As a result,we found that the problerm can be solved by The Combined Drilling Technology,which also can enhance the wellbore quality and reduce the cost of drilling. 利用复合钻井恰恰可以达到防斜快打,保证井身质量,提高庆深气田泉头组到登娄库组地层机械钻速,节约钻井成本的目的。
- He had forgotten the combination of the safe. 他忘记了保险箱密码。
- 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。
- A combination of two or more elements or parts. 复合物由两种或多种元素或部分构成的混合物
- 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。
- The harmonic combination of these tones. 四度和音音调的和谐组合
