兩根電線擰一起，纏上一點焊錫絲，講究的再塗一點助焊劑，用煙盒裏的錫紙包上，打火機在外麵燒燒。

來源: TBz 於 2023-10-27 00:24:11 [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.