常見(jiàn)例句雙語(yǔ)例句The extractive magnesium sulfate reacts with ammonium carbonate, the high-purity and activity magnesia is obtained.硫酸鎂浸提液采用碳酸銨沉淀法制備出了高純度高活性的氧化鎂。 返回 ammonium magnesium sulfate