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- Meanwhile, construction technology, flow and process of Puguang202-1 are analyzed by nitrogen drilling test in the said well. 通过普光202-1井的氮气钻井试验，分析了该井的施工工艺、流程及施工过程。
- After analyzing the reason of underground explosion, it is put forward that using nitrogen drilling technology is the most simple and universal method for solving that problem. 分析了井下燃爆发生的原因后，提出使用氮气钻井技术是解决井下燃爆问题的最简单、最普遍的方法。
- The equipments needed in nitrogen drilling construction such as compressor, nitrogen machine, booster compressor, rotary blowout prevention machine, and so on and their functions are introduced. 介绍了氮气钻井施工所需要的空压机、制氮机、增压机、旋转防喷器等设备及其功能；
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- 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。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- 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。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- 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?
- 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。
