plano-type grinder

例句：

1. 1. This plano-type grinder is very efficient for grinding small parts.
   这款平面磨床对于打磨小零件非常高效。
2. 2. The engineer used the plano-type grinder to smooth the surface of a metal sheet.
   工程师使用平面磨床平滑了金属板材的表面。
3. 3.The plano-type grinder was used in the factory to produce high-quality metal products.
   平面磨床在工厂被用来生产高质量的金属产品。