finer abrasive

例句：

1. 1. The engineer used a finer abrasive to remove the scratches from the surface of the metal.
   工程师使用更细的磨料来去除金属表面的刮痕。
2. 2. The manufacturer offers a finer grade abrasive for industrial use, which is more durable and efficient.
   制造商提供工业用更细级别的磨料，它更耐用且高效。
3. 3. Finer abrasives are often used in polishing machines to achieve a smoother finish.
   更细的磨料常用于抛光机中，以获得更光滑的表面。