... 辅助继电器盘 auxiliary relay panel 接地继电器盘 GRP 代码继电器盘 MCD RLY BRD ...
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辅助继电器盘
Auxiliary relay panel
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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.
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