名词
中文翻译：空心辊子
同义词：
['hollow shaft', 'hollow spindle例句：1. The hollow-end roller is used to smooth the surface of the workpiece.（空心辊子用于平滑工件表面。）']
例句：
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1. The hollow-end roller is used to smooth the surface of the workpiece.
空心辊子用于平滑工件表面。
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2.The hollow-end roller is a common tool in metalworking.
空心辊子是金属加工中常见的工具。
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3. The hollow-end roller was designed to reduce friction between the workpiece and the tool.
空心辊子的设计是为了减少工件和工具之间的摩擦。