基本解釋[經(jīng)濟(jì)學(xué)]低碳酸鋇詞組短語(yǔ)短語(yǔ)barium m meta carbonate 低碳酸鋇meta -barium carbonate 偏鈦酸鋇barium meta carbonate更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)低碳酸鋇