名词
中文翻译：Unknown
同义词：
['transmuter', 'transformer']
例句：
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1. The transformer is essential for the electrical system.
变压器对于电力系统至关重要。
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2. The engineer designed a new transformer to improve efficiency.
工程师设计了一种新的变压器以提高效率。
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3.The transformer was used to convert alternating current into direct current.
变压器被用来将交流电转换为直流电。