Surface quantity

• 表面质量

Surface quantity的用法和样例：

例句

1. The inner surface is to be metalized as a reflector so the finish is of more importance than the composition.
   内表面要像反光镜一样的具有金属光泽，所以表面质量要比材质的成分更重要。
2. But the well surface of these materials grou nd was achieved difficultly with common grinding.
   但采用传统磨削工艺加工这些材料很难得到良好的表面质量。