single pole mercury switch meaning in Chinese
单极水银开关
Examples
- Each float contains a single pole mercury switch which actuates when the longitudinal axis of the float is horizontal , and deactuates when the liquid level falls 1 " below the activation level
每个浮控开关包含一个单极水银开关，当浮球的纵轴处于水平位置时，开关打开，当水位低于启动位置1英寸时，开关关闭。