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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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flood fan
Flood Fighting and Disaster Relief in the River Basins of Yangtze, Songhua and Nenjiang in 1998
flood forecasting
flood impact assessment
flooding
flooding attack
flooding conditions of ore deposits
flooding into pier foundation pit
flooding irrigation for grassland
flooding network
flooding of ore deposits
flooding polymer
flooding stress
flooding therapy
flood insurance
flood investigation
floodlight
floodlighting
flood mark
flood monitoring by remote sensing
flood of Haihe River in 1939
flood of Huanghe-huaihe-haihe-changjiang Four Rivers in 1662
flood of middle reaches of the Yellow River in 1843
flood of Yangtze River and Huaihe River in 1931
flood of Yangtze River in 1935
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