steel shot abrasive

例句：

1. 1.The steel shot abrasive is used to polish the surface of metal parts.
   钢砂磨料用于金属部件的表面抛光。
2. 2.The steel grit was very effective in removing rust from the metal surface.
   钢砂磨料在去除金属表面的锈方面非常有效。
3. 3.The steel powder was used as a filler material for the construction of buildings.
   钢粉用作建筑施工的填充材料。