名词
中文翻译：Unknown
同义词：
['pipe', 'tube', 'conduit', 'duct', 'pipework']
例句：
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1. The steel pipe was too thick to fit through the narrow opening.
这根钢管太粗，无法穿过狭窄的开口。
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2. The engineer designed a new type of pipe for the project.
工程师为该项目设计了一种新型管道。
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3. The pipes in the basement were old and needed to be replaced.
地下室里的管道旧了，需要更换。