Introduced are the semi-automatic oil pipe sand jet production line, operating principle, overall design of electric system and the program design of the application of the model SR-20 PC ( programmable controller) to automatic control. 介绍了油管半自动喷砂作业线的主要设备、工作原理、电气系统总体设计及用SR-20型可编程序控制器实现自动控制的程序设计。
Semi-automatic Generation Techniques for SPC Switching Program SPC交换程序的半自动生成技术
Finally, in order to verify the accuracy and reliability of the semi-automatic ticketing technology, we draw up the test program, conduct experimental testing, observe and analyze of the experimental results. 最后制定测试方案,进行实验调试,通过实验结果的观察与分析,验证半自动售票技术的准确性与可靠性。