Under the optimum conditions, the yield of sulfofication can reach 93.7%.The total yield and the purity of 4B acid can reach 83.3%and 98.0%,respectively.是什么意思_Under the optimum conditions, the yield of sulfofication can reach 93.7%.The total yield and the purity of 4B acid can reach 83.3%and 98.0%,respectively.在线翻译_英语_读音_用法_例句