重点探讨了小眼丛式井井眼轨迹控制问题.The problems of hole trajectory control in cluster slim holes are studied emphatically in this paper.通过与常规井眼对比, 评价了小眼井钻井技术经济效益.By comparing with normal well bore, the economic efficiency of slim hole d...
The entrepreneur at twenty-five is a different animal from the entrepreneur at fifty.25岁的企业家和50岁的企业家是两种不同的人。An entrepreneur is more than just a risk taker. He is a visionary.企业家不仅要能承担风险，还应富于远见。The entrepreneur takes busi...
Proctors asked each student ot produce an ID card with an attached photo.监考人员要求每一学生出示一张带有照片地身份证....her magnetic strip ID card.她的磁条身份证Peter took out his wallet and showed his ID to the man.彼得掏出钱包向那人出示他的身份证件。Handler's...
Old antagonisms resurfaced.旧怨重生。The fundamental antagonisms in such an arrangement were obvious.在这样一种安排中,基本矛盾很明显.He was making his way through the dense mass of social antagonisms.他毕竟已胜利跨过社交界中敌对情绪的重重障碍....
作为精密的压力计,必须具有微调读数装置.For precision manometes it is necessary to use vernier reading devices.浮钟式压力计可以用来测量计示压力或差压力.Bell gages may be used to measure gage pressure or differential pressure.最简单的压力计,是开管流体压力计.The simplest type ...