波纹管膨胀节的正确选型设计，对于管网的稳定和安全运行十分重要。
Selecting right type of expansion joints plays a very important role in running pipe network.
本文介绍了对主轴滚动轴承的力分析和如何正确选型的问题。给设计或改造提供了计算依据。
Force analysis of main shaft roller bearing of pan nodulizer and the knowhow of type selection are involved, which supplies as the calculation basis for the designs or modifications.
随着可编程控制器在石油化工自动化控制中的应用越来越广泛，PLC的正确选型在实际工作中显得非常重要。
With the extensive use of PLC in the automatic control systems in petrochemical industry, correct selection of PLC in the actual work is of great important.
阀门的结构和采用材料多种多样。为了确保效率最高，成本最合理，系统使用寿命最长，阀门的正确选型非常重要。
Valves are produced in a variety of design types and materials. Proper selection is important to ensure the most efficient, cost effective and long lasting system.
但是，进行正确选型计算是一个十分繁杂的过程，工程设计人员迫切希望能有相关的设计软件问世，以减轻设计者的劳动强度，提高设计效率，缩短设计周期。
While the calculation is a multifarious course, designers are eager to use correlative software to alleviate their working strength, to improve design efficiency and to shorten design cycle.
为使用户方便、快捷、正确的选用我公司生产的粘滞液压阻尼器产品，可按下述步骤进行选型设计。
To make users select viscous hydraulic damper products produced by our company conveniently, quickly and correctly, lectotype design can be conducted according to the following steps.
在工程设计阶段，埋设仪器的选型和布置设计是监测设计中的一项重要工作，仪器选型是否正确对后续工作的成败有很大影响。
In the design phase of a project, the type selection and collocation of embedded instruments is an important job, which influences to a large extent the follow-up work.
该文对剩余电流保护器在选型和安装等方面，进行正确与错误做法的对比分析，提出应用中几点注意事项。
This paper compared and analyzed right and wrong practices of residual current protective devices in the selection and installation, etc., some considerations in application are proposed.
正确合理地选型和使用保养才能充分发挥先进设备的最佳性能。
Only proper and reasonable choice and maintenance of the equipment can bring the advanced equipment 's best performance into play.
文中对汽车轮胎的选型和装配使用进行了分析，用实验对比分析论证了轮胎选型的误区，提出轮胎选型和装配使用的正确方法。
The paper analyzes the selection and assembly of automobile tires and compares the error of the tire selection by the experiment and proposes correct method of tire selection and assembly.
试验结果表明钻参仪选型正确，数据接口软件运行稳定可靠，识别软件识别效果理想。
The result shows that the drilling parameter monitor is chosen correctly, the data traffic interface software runs credibly and the effect of the identification software is ideal.
在阀径计算和选型时关键在于正确选取用于计算的流量值和阀前后差压。
The key of calculation and selection of the valve is to select the correct flow value and the differential pressure value between the valve front and back for calculation.
在阀径计算和选型时关键在于正确选取用于计算的流量值和阀前后差压。
The key of calculation and selection of the valve is to select the correct now value and the differential pressure value between the valve front and back for calculation.
试验结果满足了客户要求，检验了控制系统的合理性和有效性，证明了硬件选型和软件编程的正确性。
The result also gives evidence to indicate the availability of the control system and the validity of the hardware and software design.
试验结果满足了客户要求，检验了控制系统的合理性和有效性，证明了硬件选型和软件编程的正确性。
The result also gives evidence to indicate the availability of the control system and the validity of the hardware and software design.
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