灰塵是幹的，飛到那裏都不會做成短路啊，漏電啊之類的問題。不過堵在需要通風的對方可能就會造成過熱，所以這樣吹可能有效。

來源: 細草微風於 2015-10-12 17:12:39 [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.