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gemstones enhancement
释义
gemstones enhancement
Encyclopedia
工学
矿物加工技术
释
gemstones enhancement
宝石改善
运用某种技术方法和处理工艺,改善宝石的外观(颜色、净度或特殊光学效应)、耐久性或可用性,从而提高宝石美学价值和商品价值的过程(不包括对宝石进行切磨、抛光、雕刻和镶嵌等加工方法)。
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poor approximation
poor conductor
poor connections pattern
Poor Conrad
Poor Folk
poor household
Poor Laws
Poor Liza
poorly directive antenna
Poor Man's Guardian
poor observation
Poor Peasants Have Done Great Things
poor relief act
poor semen quality
poor solvent
poor theatre
poor village/ poverty-stricken village
poor visibility
POP
pop
POP advertisement
Pop Art
pop corn
Pop Design
Pope
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更新时间:2026/7/15 17:14:42