名词
中文翻译：Unknown
同义词：
['dual-acting engine', 'dual-cylinder engine']
例句：
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1. Thedouble-acting engine provides a smooth and efficient driving experience.
双作用发动机提供了平稳且高效的驾驶体验。
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2. The new car has a double-acting engine that can accelerate quickly and maintain a steady speed.
这款新车配备了双作用发动机，可以快速加速并保持平稳速度。
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3. The double-acting engine is a key feature of the sports car, providing excellent performance and fuel efficiency.
双作用发动机是这款运动型轿车的关键特征，提供了出色的性能和燃油效率。