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.

youdao

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.

youdao

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.

youdao