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A coupler drive system for pumping unit is developed by using the theory of hydraulic drive of coupler.
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摘要运用耦合器液力传动原理，研制成功抽油机耦合器传动系统。 |
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A coupon offering two items, especially tickets for a play, for the price of one.
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两件的票券提供两件的票券，尤指用一张票的价格购买的两张戏票 |
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A courageous foe is better than a cowardly friend.
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勇敢的敌人胜过懦怯的朋友。 |
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A courageous warrior, Qin led his armies in conquering all six neighboring countries to create one nation that he named for himself, Qin, or Chin.
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秦始皇英勇善战，他带领的军队征服了周边六国，并统一全国，他自称秦国，也就是中国。 |
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A courier delivered the parcels (to our office).
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送急件的人将包裹送来（送到我们办公室）了. |
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A courier reported that the Russian and the Spanish fleets had sailed for these waters.
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情报员报导俄国和西班牙舰队已向这个海域出航。 |
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A course consists of nine lanes, each 9 m wide.
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一节包括9条9米宽的赛道。 |
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A course laid out for racing.
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跑道铺设用来赛跑的道路 |
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A course laid out for running or racing.
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跑道铺设用于赛跑或赛马的道路 |
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A course library page supports student work on class assignments.
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有课程图书馆网页支持学生的课堂作业. |
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A course of study for graduate and advanced undergraduate students in a college or university, conducted in the manner of a seminar.
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大学研究生班大学里为研究生和高年级的本科生设的以研讨方式进行的研究班 |
