名词
中文翻译：封闭管道流动
同义词：
['closed pipeline flow', 'closed conduits flow例句：1. The closed conduit flow is essential for the operation of the pump.（封闭管道流动对于水泵的运行至关重要。）']
例句：
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1. The closed conduit flow is essential for the operation of the pump.
封闭管道流动对于水泵的运行至关重要。
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2.The closed conduit flow helps to prevent water from leaking out.
封闭管道流动有助于防止水泄漏。
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3. In this case, the closed conduit flow was used to transport oil.
在这种情况下，使用封闭管道流动来运输石油。