试电笔或者万用表必须要有，即便关了总闸，打开开关以后也要用试电笔确认没电，才能开始修

来源: 500miles 于 2025-06-24 09:55:34 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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