• 1. CaCl 2: 氯化钙
• 2. CaCl 2 influence: CaCl2影响
• 3. CaCl 2 as an enhancer: CaCl2作增强剂

• 1.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。
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