power setting switch
电源设置开关
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Introduction was made to the composition and working principle of a power-off time delay relay which adopts CMOS digital circuit, digital dial disc for switch setting and without auxiliary power.
介绍了一种采用CMOS数字电路、数字拨盘开关整定、无辅助电源的断电延时继电器的组成及工作原理。
youdao
应用推荐
模块上移
模块下移
不移动