名词
中文翻译：密封管
同义词：
['sealed pipe', 'sealed conduit例句：1. The engineer used a sealed tube to insulate the pipes.（工程师使用一个密封管来绝缘管道。）']
例句：
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1. The engineer used a sealed tube to insulate the pipes.
工程师使用一个密封管来绝缘管道。
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2.The sealed tube was designed to prevent leaks during transportation.
这个密封管设计用来在运输过程中防止泄漏。
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3. The sealed tube is an essential component for maintaining water pressure in pipelines.
密封管是保持管道中水压的必备组件。