名词短语
中文翻译：三个独特的催化转换器
同义词：
['three unique catalysts', 'three unique catalytic devices']
例句：
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1.The engineer designed a three-unique catalytic converter for the car to improve its efficiency.
工程师为汽车设计了一个独特的催化转换器，以提高其效率。
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2.The manufacturer claims that their three unique catalytic converters are more energy-efficient than others on the market.
制造商声称他们的三个独特的催化转换器比其他市场上的产品更节能。
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3. The three unique catalytic converters were installed in the vehicle's exhaust system toreduce harmful emissions.
这三个独特的催化转换器被安装在车辆的排气系统中，以减少有害排放。