【摘要】 介绍了蓄电池用指示器的结构类型，分析了指示器产生故障的原因，对指示器的制造和使用提出了一些建议。更多还原

【Abstract】 The construction types of battery indicators were introduced and the reasons to cause the indication failure were discussed in detail. To solve the problems occurred in the manufacture and use of indicators some suggesions gave been presented.更多还原