名词
中文翻译：旋转式气门调节器
同义词：
['rotary valve throttle', 'rotary valve regulator']
例句：
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1. The engine's performance is greatly improved by the use of a rotary barrel throttle.
使用旋转式气门调节器极大地提高了发动机的性能。
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2. The engineer adjusted the throttle to optimize fuel efficiency.
工程师调整了节气门以优化燃油效率。
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3. The car's performance was noticeably better with the new throttle setting.
汽车在新的节气门设置下性能明显更好。