此外，还有许多保护继电器和控制继电器。
可直接驱动控制继电器。
它正逐步取代传统的继电器控制系统。
It is gradually replacing the traditional relay control system.
而目前在我国仍有相当数量的机床采用继电器控制。
But now, there are a lot of old-tape lathes are controlled by relays .
提出了一种继电器控制逻辑设计的新方法。
This paper proposes a new approach to the design of relay logic control circuits.
控制器的一个重要功能是提供报警继电器触点。
An essential function of the controller is to provide alarm relay contacts.
速冻食品生产线多为传统的继电器控制，易发生故障。
The fast frozen food processing line is controlled with traditional relays and breaks down often.
你也可以使用这些开关来控制固态继电器。
You also can use the switches to control solid-state relays.
它是一台由开关和继电器控制的，必须手工设定。
It was controlled, however, by switches and plugs that had to be manually set.
电子恒温仪及固态继电器控制温差至最小；
Electronic thermostat and SSR control the temperature difference to minimum;
并且此系统同样适合多种继电器控制的设备的应用。
Meanwhile, this system also is suitable for the application o…
并且此系统同样适合多种继电器控制的设备的应用。
Meanwhile, this system also is suitable for the application o…
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