In order to increase reliability using phenolphthalein solution to detect alkaline cell sealing characteristics, the water in the alcohol was decreased, environment humidity were requisite.

• 为了提高酚酞溶液检测碱性电池密封性能的可靠性，就必须减少配制酚酞试剂酒精中的含水量，同时也必须降低测试环境湿度。