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- tube well pump 管井泵
- To add a new unit under the pump,it makes the oil tube telescopes elastically as the oil well pump moves up and down. 在泵下增设一个新装置，使抽油泵上下运动时，油管产生弹性伸缩。
- There are a series of problems in batch production of plating chromium for lining inner bores of input tube in oil well pump such as parameter choice, clamp design, bath care and adjust. 油井抽油泵输入泵衬套内孔尺寸镀铬批量生产中存在着工艺参数准确选择、夹具合理设计、槽液维护和调整等一系列问题。
- Appropriate quantity of heat exchange of unit length tube well should be chose according to edaphic characteristics. 因此应根据土壤特性，选择合适的单位长度管井换热量。
- They are lowering the raw water tower(deep well pump)now, so only the emergency generator can be operated. 正在下放海水塔(深井泵),只能开应急发电机。
- This paper recommend a kind of simple manual die to bend the thin-wall rectangular cross section steel tube well in forming process. 介绍了一种简单实用的手动弯曲模，可以较好地完成薄壁矩形截面钢管的弯曲成形工艺。
- Thispaper solves the problem using teclmique of big tube well, steel protecting canister, umbrella model breast wall and so on. 大孔经人工挖孔扩底灌注遇地下水施工难度大,本工程采用大管井降水,钢护筒,伞模护壁等工艺和技术解决了这一难题。
- To solve the problems with the measuring of the verticality of oil well pump liners, a simple measuring meter is designed. 为解决抽油泵衬套垂直度测量较困难的问题，根据抽油泵衬套的特点，设计了抽油泵衬套垂直度简易测量仪。
- Two is the use of steel poles supporting continuous sucker rod centralizer devices, reduce the deep tube wells pumping between shots wear, extend oil production cycle; 二是利用钢质连续抽油杆配套杆柱扶正装置，减小深抽井管杆间磨损，延长油井的生产周期；
- Mixing musts in Red fermeters is much more difficult as the pump used is a centrifugal pump, and does not cope well pumping skins etc. 而对立式罐来讲，因使用的是离心泵，不适合打葡萄皮等固性物，要在其中对果浆进行混合却是极其困难的。
- The determination of diameter and length of tube well filter is always a problem not being completely solved for a long time in tube well engineering from theoretical and practical point of view. 长期以来,管井过滤器直径和长度确定一直是管井工程未完全解决的理论和实践课题,迄今,有关规定不同,存在学术见解分歧,也存在诸多值得讨论的问题。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- 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。
- We have a pump for drawing water from the well. 我们用一个水泵从井里抽水。
- Every field in China has its own referenced submergence depth for oil well pumps, some of them are irrational, and have resulted in a certain waste. 我国各油田对于抽油泵的沉没度都有各自的推荐值，其中有些是不合理的，以致造成一定的浪费。
- Here is an old-fashioned pump for drawing water from a well. 这里有一个旧式水泵可从井里抽水。
- Conduit and Tube Well Management with TPGIS 通信管线资源管理中的管道、管井管理
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- ANALYSIS OF MALADY IN WELL PUMP SUSPENDED FLOW 井泵悬空出流弊病分析
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
