以某污水处理厂的工程为例，对污水泵站的螺旋泵的控制进行电气设计和程序编制。
Taking some sewage treatment plants project as an example, carrying on the electrical design and the programming to screw pumps control in sewage pump station.
笔者将数学规划理论与计算机程序设计方法相结合，通过实例对多股螺旋弹簧的计算机辅助优化设计进行了初步探讨。
The disquisition pilot study about the computer assisted optimization design of a screw spring of many radices using math layout theory conjoint to computer programmer method with a exemplity.
介绍混凝土搅拌输送车搅拌筒内螺旋叶片的设计计算程序，并对程序的输入、输出及功能做了详细的说明。
This article mainly introduces a program of calculating the spiral vanes in the drum of concrete mixer truck, and gives a detail explanation about the program's input, output and functions.
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