棕(zong)剛(gang)玉,黑(hei)剛(gang)玉,樹(shu)(shu)脂(zhi)切割片(pian)(pian),樹(shu)(shu)脂(zhi)磨(mo)(mo)光片(pian)(pian),百葉片(pian)(pian),打磨(mo)(mo)片(pian)(pian),砂輪片(pian)(pian),二級棕(zong)剛(gang)玉
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