名词
中文翻译：Unknown
同义词：
['L-shaped tube', 'L-shaped duct', 'L-shaped pipe']
例句：
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1. The engineer designedthe new machine with an L-shaped tubule for better efficiency.
工程师设计了这台新机器，带有一个L形管道以提高效率。
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2. The scientist discovered a new type of bacteria that can grow in an L-shaped tubule.
科学家发现了一种能在L形管道中生长的细菌。
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3.The construction workers were working on the L-shaped tubule when it collapsed.
建筑工人在维修L形管道时，它突然塌陷了。