形容词
中文翻译：液压的
同义词：
['hydraulic', 'pneumatic']
例句：
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1.The new pump is designed to operate hydropneumatically.
这款新泵设计为液压操作。
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2.The hydraulic system in the car is responsible for powering the engine.
汽车中的液压系统负责给发动机供能。
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3.The pneumatic tire has a low rolling resistance and high durability.
这种充气轮胎滚动阻力低，耐用性强。