名词
中文翻译：管道扩张器同义词
同义词：
['pipe expander', 'pipe inflater']
例句：
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1. The pipe expander was used to expand the diameter of the pipeline.
使用管道扩张器来扩大管道的直径。
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2. The pipe expander is a device that expands the inner diameter of the pipe.
管道扩张器是一种装置，用于扩大管道的内径。
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3. The pipe expander can be used to repair damaged pipes and prevent leaks.
管道扩张器可以用来修复损坏的管道并防止泄漏。