名词
中文翻译：非增压发动机
同义词：
['unsupercharged engine', 'non-turbocharged engine']
例句：
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1. The new car has a non-supercharged engine that provides good fuel efficiency.
这款新车配备了一个非增压发动机，燃油效率很好。
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2. The old truck had a non-supercharged engine that was not as powerful as the newer model.
这辆旧卡车有一个非增压发动机，不如新款的那么有力。
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3. The engineer tested the non-supercharged engine to ensure it could handle the heavy load.
工程师测试了非增压发动机，确保它能承受重载。