基本解釋[經(jīng)濟學]低碳酸鋇詞組短語短語barium m meta carbonate 低碳酸鋇meta -barium carbonate 偏鈦酸鋇barium meta carbonate更多詞組專業(yè)釋義經(jīng)濟學低碳酸鋇