Charging efficiency of the battery was improved by adding additive a, and the porosity of positive plate of the battery decreased by adding additive b.
加入添加剂a，电池充电效率提高，加入添加剂b，电池极板孔率降低。
Charging efficiency of the battery was improved by adding additive a, and the porosity of positive plate of the battery decreased by adding additive b.
加入添加剂a，电池充电效率提高，加入添加剂b，电池极板孔率降低。
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