名词
中文翻译：上一级的惰轮
同义词：
['upper roller', 'upper idler例句：1. The upper idler roller is responsible for smoothing thesurface of the material being processed.（上一级的惰轮负责平滑被处理材料的表面。）']
例句：
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1. The upper idler roller is responsible for smoothing thesurface of the material being processed.
上一级的惰轮负责平滑被处理材料的表面。
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2.The upper idler roller plays a crucialrole in maintaining the consistency of the product.
上一级的惰轮在保持产品一致性方面起着至关重要的作用。
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3. The upperidler roller is designedto minimize vibrations and noiseduring operation.
上一级的惰轮设计成在操作过程中最小化振动和噪音。