信号灯自动关闭可以禁用(选项)。
介绍了应用PLC实现交通信号灯的自动控制。
In this paper, the traffic light automatic control system with PLC is introduced.
该公司以技术先进著称，曾首创顶置气门、转向信号灯、染色玻璃、自动变速器等先进技术。
The company with advanced technology is known, have been the first overhead valve, turn signal lamp, stained glass, automatic transmission technology.
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