名词
中文翻译：管状结构
同义词：
['pipe-like structure', 'tubular arrangement']
例句：
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1. The shapeof the tube is crucial for its function.
管子的形状对其功能至关重要。
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2. The scientist used a microscope to observe the tubular structure of the crystals.
科学家使用显微镜观察晶体的管状结构。
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3. The engineer designed a new type of pipe with a tubular structure for better efficiency.
工程师设计了一种具有管状结构的新管道，以提高效率。