那一般是高頻組件，防止外來的信號幹擾，影響正常工作。不是防輻射。

來源: 白雲青山於 2016-04-29 04:47:08 [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.