Other expression · CEFR C1
photoconductive relay
other_expression
一种通过光电导器件控制通断的继电器,根据光强度的变化而动作。
- 1.
A relay whose switching action is controlled by a photoconductive device, responding to changes in light intensity.
一种通过光电导器件控制通断的继电器,根据光强度的变化而动作。
In use
The photoconductive relay turns on the streetlight automatically at dusk.
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