1) Polish of Gems
宝石的抛光
2) mechanism of stone polishing
宝石抛光机制
3) polishing technique of sapphire substrate
蓝宝石衬底抛光
4) unpolished shoes;unpolished gemstones.
没有擦亮的皮鞋;没有抛光的宝石
5) beautiful gems of various colours
五光十色的宝石
6) Diamonds coruscating in the candlelight.
烛光下闪光的宝石
补充资料：抛光剂,抛光混合剂
CAS：68909-13-7
中文名称：焙烧提浓的氟碳铈镧矿；抛光剂,抛光混合剂
英文名称：Bastnaesite, calcined concentrate；Calcined bastnasite；bastnaesite, calcined conc.；polishing compound；Bastnaesite,calcined concentrate
中文名称：焙烧提浓的氟碳铈镧矿；抛光剂,抛光混合剂
英文名称：Bastnaesite, calcined concentrate；Calcined bastnasite；bastnaesite, calcined conc.；polishing compound；Bastnaesite,calcined concentrate
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