contour cutter grinder

例句：

1. 1.This contour cutting machine is very efficient in removing unwanted material.
   这种轮廓切割机在去除不需要的材料方面非常高效。
2. 2. The contour cutter was used to smooth the surface of the metal before it was polished.
   轮廓切割机被用来在金属表面抛光前平滑其表面。
3. 3.The contour cutter grinder was used to create precise cuts on the fabric.
   轮廓切割机研磨机被用来在布料上创建精确的切割。