Fire of business of the product line on element bittern dish .
素卤菜上生产线生意火。
Production cost of bittern and salt , the economic profits and social effective of bittern replaced salt were analysed .
进行了卤水和盐的生产成本分析和以卤代盐的经济效益及社会效益分析。
In the light of the general situation and characteristics of the potash resources in china , production methods are offered of the conversion of sulfuric acid or sulfate and potassium chloride into potassium sulfate and the extraction of potassium sulfate from sea water and bittern .
