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