名词
中文翻译：椭圆管
同义词：
['ellipsoidal tube', 'elliptical pipe', 'elliptical conduit']
例句：
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1. The elliptical tube is used to transport fluids in a circular path.
椭圆管用于在圆形路径中输送流体。
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2. The elliptical tube is an essential component ofthe pipeline system.
椭圆管是管道系统的一个必要组成部分。
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3. The elliptical tubewas designed to improve the efficiency of theconveying process.
椭圆管被设计来提高输送过程的效率。