用兩個，一個將兩者合起來，一個再分開，不需開關 (圖)

來源: fitwxc 於 2009-07-22 17:43:18 [舊帖] [給我悄悄話] 本文已被閱讀：次

見圖

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.