用6邊的花了，這得花多大的力。你可以觀察一下套筒裏麵的形狀，

來源: piper 於 2020-09-09 15:27:15 [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.