rock abrasiveness

例句：

1. 1. The surface of the rock is very abrasive, making it difficult to cut with ordinary tools.
   这种岩石的表面非常粗糙，用普通的工具很难切割。
2. 2.The mineral deposit has a high abrasiveness, which makes it unsuitable for use in many industrial processes.
   这种矿物的粗糙度很高，不适合用于许多工业过程。
3. 3. The abrasiveness of the sandpaper can be adjusted by adding different grit sizes.
   砂纸的粗糙度可以通过添加不同粒度的砂粒来调整。