名词
中文翻译：液压操作装置
同义词：
['hydraulic system', 'hydraulic actuator']
例句：
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1.The hydraulic operating gear is crucial for the safe operation of the machinery.
液压操作装置对机械的安全运行至关重要。
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2.The engineers designed a new hydraulic operating gear to improve efficiency.
工程师们设计了一种新的液压操作装置以提高效率。
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3.The hydraulic operating gear was tested under various conditions to ensure its reliability.
液压操作装置在不同的条件下进行了测试，以确保其可靠性。