没错, 应该接负极, 但负极被挡住, 不方便。我自己小心一点搞正极, 对付一下。

来源: 我胡说八道于 2015-09-07 20:16:09 [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.