延时继电器主要用于直流或交流操作的各种保护和自动控制线路中，作为辅助继电器，以增加触点数量和触点容量。可根据需要自由调节延时的时间。
... time delay circuit 延迟电路 time delay relay 延时继电器 time demultiplexing 时分信号分离 ...
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每种电源都带有延时继电器，它在电子管进入稳定工作状态之前使输出静音。
Each supply has a timed relay that mutes the audio output until the tubes stabilize.
为改善地面操作起重机的起动、点动运行性能，可选用绕线型电动机加外延时继电器控制。
Slip-ring motor can be used in conjunction with time delay relays for floor operated cranes to improve their travelling quality during start and inching.
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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