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- Therefore, the proper peck drilling condition for maximum tool life improvement is drilling with a constant OSFL of a tenth of the drill diameter when drilling AISI 1045. 因此，适当的派克钻井条件改善最大刀具寿命是钻井与不断OSFL的十分之一的 钻头直径钻孔倡议1045年的时候。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The teacher drilled the class in pronunciation. 老师训练学生发音。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- The farmers drilled wells for water. 农民打井取水。
- Measure the diameter of this circle. 量一下这圆的直径。
- We must gauge the diameter of wire first. 我们必须先测量电线的直径。
- 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。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- 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?
- They drilled through several layers of rock to reach the oil. 他们钻透了几层岩石以寻找石油。
- 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。
