calcium salt的用法和样例：
例句
- However, CaF2 has still moderate solubility, so it usually has to add excess calcium salt.
此外，由于氟化钙仍有一定的溶解性，故通常都须加入过量的钙盐才能得到较佳的去除率。 - Compacted structureless clay soils can be flocculated by the addition of neutral salts, particularly of calcium.
紧密的无结构粘土可以由于中性盐尤其是钙盐的添加而聚集。
