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white carbon black
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white carbon black
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硅化合物
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white carbon black
白炭黑
由原生粒子(一次粒子)和聚集体(二次粒子)及附聚集体(三次粒子)混合组成的水合二氧化硅。分子式为SiO2•nH2O。
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Geoffrey Hutchings
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Geogragphical Book of Shazhou
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geographical basis for the development of China's villages and small towns
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Geographical demarcation of urban development in China
geographical distribution of China forests
geographical distribution of forests around the world
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