基本解释

• [电子、通信与自动控制技术]延时拨盘

英汉例句

双语例句

• 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。

专业释义

电子、通信与自动控制技术

• 延时拨盘