您要查找的是不是:
- The principles &methods of type selection, optimum design of well trajectory , selection of sidetrack ways, design of drill strings &drilling fluid and completion design are introduced in this paper. 介绍了多底井、分支井类型选择及井眼轨迹优化设计、侧钻方式选择、钻柱设计、钻井液设计和完井方式设计的原则和方法。
- Type selection of coolant, lubricants and hydraulic oil etc. 冷却剂、润滑剂和液压油等的型号选择。
- type selection of drills 钻头选型
- Tests were made for type selection of the lilting and settling equipments. 作者进行了过滤、沉降设备选型试验。
- Factors affecting type selection of internals in the tower were analyzed. 分析塔内件选型的影响因素后,指出常压塔提馏段内件选用塔板较好。
- By means of drill grinding and selection of suitable cutting parameters, the serviceability of drill and surface quality of workpiece are improved. 通过对钻头进行修磨,选择适当的切削参数,可以提高钻头的耐用度和工件的表面质量。
- The process may not only be used for fender pile design but also for type selection of rubber fenders. 该程序可用于防冲桩的设计及橡胶护舷的选型。
- A methodology for the type selection of interchanges at expressway network planning stage was proposed. 提出适合在高速公路网规划阶段进行的立交等级划分和形式选择的实用方法。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- In accordance with existing problems in operation,siting of gas pressure regulating station and type selection of regulator are discussed. 针对燃气调压站运行中存在的问题,探讨了调压站选址和调压器选型配置。
- This paper introduces the principle of type selection of electric tracing band, notable matters of installation and maintenance method. 结合实际工作经验,介绍了电伴热带的选型原则、安装注意事项及维护方法。
- The type selection of the gyrating flow spillway tunnel is made in two alternatives of horizontal free gyrating flow and submerged flow. 右岸旋流泄洪洞选型研究是在水平旋流自由流推荐方案与淹没流推荐方案的基础上进行的。
- The characteristics and applicational features of each basic module are being analyzed as well, thus provided a foundation for type selection of cam link mechanism. 还分析了各基本模块的特性及应用特点 ,为凸轮连杆机构的型式选择提供了依据。
- That shop has a fine selection of cakes. 那家商店有各种精美的糕点供我们选择。
- Our class got lots of drills in algebra. 我们班在代数上有大量的练习。
- That store has a good selection of furniture. 那家店有很多家具可供挑选。
- We did lots of drills in Grammar. 我们做了大量的语法练习。
- It was a kind of drill, we did it almost daily. 那是一个练习,我们差不多天天都做。
- This paper introduces the type selection of double-deck rubber screen-plats in design, advantagesof rubber screen-plate better than metal plate, evaluates the effectiveness of using double-deck rupperscreen plates. 本文主要介绍了双层橡胶筛板的设计选型以及橡胶筛板较之于金属筛板的优点,并对双层橡胶筛板的使用效果作了进一步评价。
- Essential elements of drill hole. 钻孔具有的结构和尺寸因素。