沒錯, 應該接負極, 但負極被擋住, 不方便。我自己小心一點搞正極, 對付一下。

來源: 我胡說八道於 2015-09-07 20:16:09 [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.