steel ball lapping machine

例句：

1. 1. This steelball lapping machine is very efficient inremoving surface defects on metal parts.
   这台钢球研磨机在去除金属零件表面缺陷方面非常高效。
2. 2. The engineerused the steel ball lapping machine to polish the surfaceof a new car body.
   工程师使用钢球研磨机对新车车身的表面进行了抛光。
3. 3. The steel ball lapping machine iswidely used in the manufacturing industry for itsability to remove small scratches anddents from metal surfaces.
   钢球研磨机在制造业中广泛使用，因为它能够从金属表面去除小划痕和凹陷。