關鍵的關鍵，是搞清楚那個（或哪二個）開關控製哪一個燈。讓人來查，錢就老鼻子了。

來源: 上海大男人於 2020-10-16 15:25:27 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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