Introduced a type complex press-switch sensor. The sensor can setup many switch value, provide upper-limit, lower-limit and security alarm.

介绍一种复合式压力开关传感器，可设置多路开关量限，提供系统上、下限和超限报警。

youdao

Which switch do I press to turn it off?

我按哪个开关就能把它关了？

《牛津词典》

To make the machine work, just press the 'on' switch.

只需按下开关，吸入式食物机就开工了。

youdao

With a mechanical keyboard, on the other hand, each key press triggers an actual on-off switch a feeling as solid as flicking on the lights.

WSJ: Keys That Really Click