基本解釋沉澱碳酸鋇詞組短語(yǔ)短語(yǔ)Barium carbonate precipitated 沉澱碳酸鋇precipitated barium carbonate更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)沉澱碳酸鋇