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- Development of downhole drill motor and problems with its application. 井下动力钻具的发展及其在推广应用中的问题。
- Three closing of pithead is realized by the technology transformation of safe door with coal electric drill motor. 通过使用煤电钻电机对副井安全门进行技术改造,实现井口三闭锁。
- Success in this well provides a way of using down-hole drilling motor and MWD for deeper sidetracking. 该井的成功 ,为深部侧钻使用动力钻具、有线随钻测量系统创出了一条新途径。
- Development of comprehensive protective device of electric coal drill motor 煤电钻电动机综合保护装置的研制
- These system include filtering system for crude oil entering ,filtering and cooling system for hot oil, filtering and cooling water circulating system for reduction gearbox of the drilling motor. 该系统包括原油入口的过滤装置,热油过滤冷却装置和钻井马达变速箱过滤冷却循环装置等三大部分。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- 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。
- The motor launch was fitting out as a fishing boat. 这艘摩托艇正在装备成渔船。
- 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。
- The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 机动车的尾部排气管排出有毒的浓烟。
- 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。
- Remove the motor when you lay up your boat. 船闲置不用时，你要把发动机拆下来。
- The motor boat was tearing along in the high wind. 快艇在疾风中顺风飞快地行进。
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
- For sale: small motor scooter. Enquire within. 待售：小型摩托车，请进内询问。
- A bumper is a part of a motor vehicle. 保险杆是机动车辆的一部分。
