zhè / zhǒng / shā / zhǐ / shǐ / yòng / le / tàn / huà / guī / kē / lì / dǎ / mó / xiào / guǒ / gèng / hǎo这种砂纸使用了碳化硅颗粒,打磨效果更好。This sandpaper uses silicon carbide grains, so it polishes better.