名词
中文翻译：旋转式步进继电器
同义词：
['rotary step-up relay', 'rotary step-down relay']
例句：
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1. The rotary stepping relay is used in the circuit to switch power on and off.
旋转式步进继电器用于电路中以开关电源的开和关。
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2. The rotary stepping relay is an essential component of the electrical system.
旋转式步进继电器是电气系统的一个关键组成部分。
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3. The rotary stepping relay is responsible for controlling the flow of electricity in the circuit.
旋转式步进继电器负责控制电路中电流的流动。