常见例句双语例句The concentrations of free alkali and sodium carbonate were calculated with the consumption of hydrochloric acid and EDTA standard solution.用EDTA测定溶液中锌含量，最后利用盐酸和EDTA的消耗量联合计算含锌碱性溶液中游离碱和碳酸钠量。 返回 standard alkali solution