n.堿金屬
名詞akali的復(fù)數(shù)形式.
Several methods to prevent alkalis from jeopardizing are provided. 給出了預(yù)防堿金屬危害的方法。
The effect of reaction temperature and alkalis on the deep reaction of cokeis studied. 研究了反應(yīng)溫度及堿金屬對(duì)焦炭深層反應(yīng)的影響。
堿化
