artificial gem造句

Artificial gem crystal manufacturing , processing and marketing
人造宝石晶体的制造、加工、销售。
A small natural or artificial gem used as a bearing in a watch
钻石小的天然的或人造宝石，用作手表中的轴承
A hard , brilliant , lead - containing glass used in making artificial gems
铅质玻璃用来制人造宝石的硬而耀眼的含铅玻璃
Scp - zro2 ( gem - grade zirconia ) has high purity and is mainly used for making cubic zirconia crystal ( artificial gems ) , and as additive for optical glass and fibre with high index of refraction
具有高纯度，是制造立方氧化锆晶体（人造宝石）的主要原材料，也用作高折射光学玻璃和光学纤维的添加剂。
It's difficult to find artificial gem in a sentence. 用artificial gem造句挺难的