名词
中文翻译：手动交换器
同义词：
['manual transducer', 'manual transformer']
例句：
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1.The manual exchanger is used to convert mechanical energy into electrical energy.
手动交换器用于将机械能转换为电能。
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2. In this experiment, the manual exchanger was used to measure the flow rate of the liquid.
在这个实验中，手动交换器被用来测量液体的流速。
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3.The manual exchanger was a crucial component in the early days of radio transmission.
手动交换器是早期无线电传输中的关键组件。