卖出去很便宜，买回来比较贵。有电池晚上可以用，区域性停电，有电池就可以正常用电。

来源: 原上草2017 于 2025-01-20 16:51:24 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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