名词
中文翻译：叶轮
同义词：
['impeller blade', 'propeller vane']
例句：
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1.The impeller vane is responsible for the rotation of the engine.
叶轮负责发动机的旋转。
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2.The impeller vane is designed to improve the efficiency of the engine.
叶轮设计用来提高发动机的效率。
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3. The impeller vane is made of high-quality steel and has a long lifespan.
叶轮由优质钢材制成，使用寿命长。