名词
中文翻译：扩张辊
同义词：
['expanding roller', 'expansion roller']
例句：
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1.The expansion roller is used to expand the material being processed.
扩张辊用于扩展正在处理的材料。
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2.The expansion roller helps to evenly distribute the material being processed.
扩张辊有助于均匀分布正在处理的材料。
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3. The expansion roller is essential for ensuring the quality of the finished product.
扩张辊对于确保成品的质量至关重要。