名词
中文翻译：步进式自动变换器
同义词：
['step-up transformer', 'step-up amplifier例句：1. The step-up auto-transformer is used to increase the voltage of the AC power supply.（步进式自动变换器用于提高交流电源的电压。）2. In this circuit', 'the step-up auto-transformer is used to boost the signal strength.（在这个电路中，步进式自动变换器被用来增强信号强度。）3. The step-up auto-transformer is crucial for maintaining stable communication in long-distance transmission lines.（步进式自动变换器对于保持长距离传输线路中的稳定通信至关重要。）']
例句：
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1. The step-up auto-transformer is used to increase the voltage of the AC power supply.
步进式自动变换器用于提高交流电源的电压。
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2. In this circuit, the step-up auto-transformer is used to boost the signal strength.
在这个电路中，步进式自动变换器被用来增强信号强度。
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3. The step-up auto-transformer is crucial for maintaining stable communication in long-distance transmission lines.
步进式自动变换器对于保持长距离传输线路中的稳定通信至关重要。