名词
中文翻译：单辊
同义词：
['single roll', 'single roller']
例句：
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1.The machine uses a single roller to remove the paint from the wall.
这台机器使用一个单独的滚轮来从墙上去除油漆。
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2.The engineer designed a single roller for the construction project.
工程师为该项目设计了一个单独的滚轮。
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3. The single roller is essential for smoothing out the surface of the material being processed.
单独的滚轮对于处理材料的表面平滑至关重要。