名词
中文翻译：液压密封
同义词：
['hydraulic sealing', 'hydraulic sealing device']
例句：
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1. Thehydraulic seal prevents the oil from leaking out during operation.
液压密封在操作过程中防止油泄漏。
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2.The engineer installed a new hydraulic seal to fix the leaky valve.
工程师安装了一个新的液压密封来修复漏气的阀门。
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3.The hydraulic seal is an essential component of the machinery's working mechanism.
液压密封是机械工作机制中不可或缺的一部分。