amethyst sapphire 中文意思是什麼
amethyst sapphire
解釋
紫晶藍寶石-
The composition, cutting, grinding, polishing and coating of glass - artificial producs such as imitation pearl, imitation diamond, imitation quartz, imitation amethyst, imitation ruby, imitation sapphire, imitation jadeite, imitation nephrite, imitation cat ' s - eye etc. are reviewed
摘要綜述仿珠寶玻璃,如仿珍珠、仿鉆石、仿水晶、仿紫晶、仿紅寶石、仿藍寶石、仿翡翠、仿玉、仿貓眼石等的成分和製造工藝(成形、切割、研磨、拋光、鍍膜) 。
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