The cost of the batteries could be reduced as Hg is replaced of CaCl 2.

采用氯化钙并取消了汞，电池成本降低且实现了环保。

youdao

It's forbidden to add harmful element such as Hg, Cd and Pb in battery at home and abroad.

国内外，都禁止向电池中添加汞、镉、铅等有害元素。

youdao

It's forbidden to add harmful element such as Hg, Cd and Pb in battery in home and abroad.

国内外，都禁止向电池中添加汞、镉、铅等有害元素。

youdao