The paper describes electricity car storage battery sulphur principles and phenomenon in shielding construction,the author made the detailed analysis by three aspects:how to determine the battery vulcanizing of the battery locomotive,the causes of the battery vulcanizing,and preventing measures,which has profound significance for subsequent proper use of the battery locomotive and extending battery life.%描述了盾构施工中电机车蓄电池硫化的原理和现象,从判断电瓶机车蓄电池硫化的方法、硫化的原因和防止硫化的措施三个方面做了详细的分析,对以后电瓶机车正确使用蓄电池和延长寿命有深刻的意义。
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