A down - hole autotracking well pumping unit different from the conventional pumping unit was designed.针对抽油技术的现状和存在的问题,设计了一种不同于有杆抽油方法的井下自动跟踪式抽油装置.It is autumn and they are pumping water out of the swimming pool.入秋了, 他们正在...
Det Supt Bassett was in charge of the murder enquiry.探长巴西特负责调查该谋杀案。Those in charge deluded themselves they were up to speed.那些负责人自以为掌握了最新情况。He will be in charge of all hiring and firing at PHA.他将负责公共房产管理局所有人员的雇用和解聘事务。...
At that time Abijah son of Jeroboam became ill.那时,耶罗波安的儿子亚比雅病了.There was continual warfare between Rehoboam and Jeroboam.30罗波安与耶罗波安时常争战.There was war between Rehoboam and Jeroboam continually.王上14:30罗波安与耶罗波安时常争战....