一派胡说：1白炽灯泡有delay过程，根本不会形成60Hz的明暗变化

来源: 味苦于 2015-02-14 23:07:32 [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.

Change Ad Consent