2我小时候见过，跟电有关，是测什么的还是干嘛的想不起来了，大人用的。

来源: 烹小闲于 2026-02-18 10:45:28 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.