名词
中文翻译：兜帽式叶轮
同义词：
['hooded impeller', 'hooded impeller', 'hoodedimpeller']
例句：
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1.The hooded impeller was designedto improve the efficiency of the machine.
这个兜帽式叶轮的设计目的是为了提高机器的效率。
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2.The engineer used a hooded impeller to reduce noise in the factory.
工程师使用一个兜帽式叶轮来降低工厂的噪音。
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3. The hooded impelleris essential for maintaining the proper flow ofair through the system.
兜帽式叶轮对于保持系统内空气流动的正确性至关重要。