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...
There is a pumping station on the edge of the lake.湖边有座扬水站.He was pumping away.他正用抽水机抽水.Aerobic exercise gets the heart pumping and helps you to burn up the fat.有氧运动加速心脏跳动，有助于消耗更多脂肪。...
除了两个人在机房值班外，其他人都在睡觉。Apart from two men on watch in the engine-room, everyone was asleep.这名司机被安排在星期日值班。The driver was rostered for Sunday.值班的护士担心病人的病情会恶化.The nurse on duty was fearful that the patient should get worse....
表现人眼的剖面图a diagram representing a cross section of the human eye贪婪障人眼.Avarice blinds our eyes.人眼是看不见这些射线的.These rays would not be visible to our eyes....
The raw material for the tyre is a by-product of petrol refining.制造轮胎的原材料是提炼汽油时产生的一种副产品。The product may form the feedstock to a subsequent refining process.产品可以作为原料去进一步加工.These metals may be purified by a technique calle...
之后你就可以回家，看彩色版的电视连续剧《摩斯警长》。You can go home afterwards and watch Inspector Morse in colour.这部电影有彩色版。The film is available in a colorized version.提供目前在中国出版的一百种热门、全图像彩色版的中文杂志.Full image, color versions of 100 current, popula...
Current employment laws will be changed to reward effort and punish laziness.现行雇佣法要变，要奖勤罚懒。Don't punish your child for being honest.不要因为你的孩子说了实话而处罚他。I'm just watching for a chance to punish him in return!我正在伺机报...