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- Gutters or channels on each side of a ship's keelson that drain bilge water into the pump well. 污水道，通水孔船底龙骨两侧用来排污水的水槽或水道
- As a special hydrodynamic sound generator, ultrasonic siren has applicative effects on viscosity reduction, scale removal on electric pump well. 作为一种特殊的流体动力式声波发生器,超声旋笛在电泵井防垢降粘方面有着显著的使用效果。
- The corrosion and wear of rod pump well cause the damage of downhole equipment and seriously affect the normal production of oil well. 有杆泵井中的腐蚀和磨损，造成油井的井下设备损坏，严重影响油井的正常生产。
- The submersible electric pump well system consists of such three subsystems as the oil well, submersible electric pump and pipeline. 潜油电泵井系统由油井、潜油电泵机组和管路三个子系统组成，三个子系统既有区别又相互联系。
- According to the energy loss of every part of screw pump well,established system efficiency analysis model for the well. 根据螺杆泵井各个部分运动特点及能量损失情况,建立了螺杆泵井系统效率分析模型。
- Load spectrum determination of tubing inwall proves the tubing is acted by the axial alternating load in a rod pumped well, and all the fractures are located at the root of the tooth. 油管内壁载荷谱测定进一步明确了油管在工作状态下承受轴向拉-拉交变载荷,其断裂部位全部在应力集中的齿根处。对油管断口进行了宏现和微观形貌分析。
- Firstly, the structure and the working principle of a new pump well indicator based on the microchip 89C51 are introduced in this paper. 介绍了一种以89C51单片机为核心器件的抽油机示功仪的组成及其工作原理。
- Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screw pump well system has a certain significance. 应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。
- After it has been developed fast for 15 years, formation pressure drops universally,which result in a large quantity of pump well with low pressure and high GLR occurring. 实践证明,不压井作业技术是解决这一难题的有效工艺。
- They set to work and drilled enough pump wells to irrigate more land. 他们开始大干起来，打了足够的水泵井来灌溉更多的土地。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- The bump governor is a device for convernient pump bumping and impingement space specifying of pumping well. 抽油井碰调器是便于抽油井碰泵和规范防冲距的一种装置。
- A model of nonartesian-artesian pumping well and new techniques of "water dam" hole-well cleaning are put forward. 提出了无压－承压井抽水模式和“拦水坝”式冲孔洗井等新工艺。
- In the light of the frequent breaking of the rod string in a surface driven screw pump well, the force condition of the string in the well is analyzed by means of the elastoplasticity theory. 针对井口驱动螺杆泵抽油杆柱断脱频繁的问题，应用弹塑性理论分析了抽油杆柱在井中的受力状况。
- Partial abrasion of rod string in screw pump well which is surface driven is the main reason that restricts its application, but the prevention method used presently cant solve the problem radically. 地面驱动螺杆泵井抽油杆的偏磨是制约螺杆泵应用的主要原因,目前采用的防治方法不能从根本上解决该问题。
- The pump efficiency of 32% rod pumped wells in Erlian Oilfield is lower than 30%, and increasing production centralizer is introduced to solve this problem. 二连油田有32%25的抽油机井泵效低于30%25,为此有针对性地引进了增抽扶正器配套工艺。增抽扶正器具有减少冲程损失、减少漏失、抽油杆扶正以及实现分段举升,减轻抽油杆的疲劳负荷等功能。
- The bread crisped up for you didn't wrap it well. 你没把面包包好，它变干了。
- By the end of 2001,there were 694000 water plants (stations) of various kinds in the rural areas in the whole country,67.25 sets of manual pumped wells and 1.37 million water cellars for collecting rain. 截止2001年底，全国农村有各种类型的自来水厂(站)69.;4万座，手压机井6725万台，收集雨水水窖137万眼。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- The article analyses the reason of downhole corrosion and wear, shows the destinguish method of downhole corrosion and wear and puts forward measures to retard corrosion and wear in rod pump well. 分析了油井井下腐蚀和磨损的产之原因，阐述了井下腐蚀和磨损的鉴别方法，提出了减缓有杆系井腐蚀和磨损的措施。
