名词
中文翻译：弹簧式活塞
同义词：
['spring-loaded piston', 'spring-operated piston']
例句：
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1.The new engine uses a spring-actuated piston to improve fuel efficiency.
这款新发动机使用弹簧式活塞来提高燃油效率。
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2. The car's spring-actuated piston system is designed to reduce vibrations during acceleration.
汽车的弹簧式活塞系统设计用于在加速过程中减少振动。
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3. In the old days, steam engines used spring-actuated pistons to power their wheels.
在旧时代，蒸汽机使用弹簧式活塞来驱动其轮子。