9#(100-250目)精致石英砂
5#(24-40目)精致石英砂
6#(40-64目)精致石英砂
8#(120-180目)精致石英砂
4#(12-24目)精致石英砂
3#(8-14目)精致石英砂
2#(5-8目)精致石英砂
