该开关可以是构建在滑块上的热启动机械继电器。
The switch can be a thermally activated mechanical relay built onto the slider.
提出一种串联电池组电压测量新方法：光电继电器取代机械继电器选通各节电池电压；
The paper puts forward a new method to measure series battery voltage, mechanical relay is replaced by photoelectric relay to select each battery voltage.
在这些特殊的系统，我们的机械继电器，接触器的理想替代品，因为他们的寿命长，无噪音的开关。
In these particular systems, our relays are the ideal replacements for mechanical contactors, because of their long life and noise-free switching.
应用推荐