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硼酸酐
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boric acid anhydride
硼酸酐
硼的主要氧化物。化学式B2O3。又称三氧化二硼。
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
boric anhydride
硼酸酐
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forest expectation price method
Forest Fire
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forest-forest steppe faunal group of temperate zone in China
forest for sand fixation
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