燃料电池像电池一样，有正、负电极，两极之间是电解液。
Like a battery, they use positive and negative electrodes separated by an electrolyte.
报房蓄电池组电解液比重小于1.285。
只需要拆开或者直接取下蓄电池盖，就可以检查电解液的液面高度。
Simply unscrew the battery caps or remove the covers to check the level.
研究了极片面密度、隔膜厚度以及电解液等因素对锂离子电池高倍率放电性能的影响。
The influence factors of the high rate discharge performance of li-ion battery were studied.
研究了极片面密度、隔膜厚度以及电解液等因素对锂离子电池高倍率放电性能的影响。
The influence factors of the high rate discharge performance of li-ion battery were studied.
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