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白剛玉砂(sha)(sha)輪(lun); 棕剛玉砂(sha)(sha)輪(lun); 單晶剛玉砂(sha)(sha)輪(lun); 綠碳化硅砂(sha)(sha)輪(lun); 鉻剛玉砂(sha)(sha)輪(lun); 金剛石砂(sha)(sha)輪(lun); CBN砂(sha)(sha)輪(lun); 樹(shu)脂砂(sha)(sha)輪(lun); 電鍍砂(sha)(sha)輪(lun);
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