This paper introduces the working principle, assembly and adjustment of the remindful machine circuit.

介绍了无线防失提醒机的电路工作原理、装配与调试。

youdao

This paper introduces the working principle, assembly and adjustment of the remindful machine circuit.

介绍了无线防失提醒机的电路工作原理、装配与调试。

youdao