corundum
这是一块刚玉corundum这块的包体很特别里面住着一个小人和他的森林
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卡姆果
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corundum
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file:corundum.jpg
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tabular corundum .tabular coru - 抖音
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烧结刚玉天然矿物石的大型白底分离的洛普岩矿物上的corundum晶体背景
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corundum var. sapphire / madagascar
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皇家蓝宝石长方形蓝宝粉融裸石尖底钻corundum蓝刚玉 diy戒指吊坠
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file:several corundum crystals.jpg
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羧甲基纤维素钠食品级 cmc 增稠剂
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卡姆果
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dark blue synthetic corundum/synthetic blue sapphire/artificial
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ruby)专指因含有「cr,铬」元素而呈现红色的宝石级「刚玉」(corundum)
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black corundum
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100pcs high quality 3mm red corundum abrasive stone subulate
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white corundum whetstone 3pcs 240 400 600# professional kni
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卡姆果
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portable drill grinder corundum grinding wheel drill bit
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5mm corundum resisting drill polishing grinder wheel to
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portable drill bit sharpener corundum grinding wheel drill b
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