相信你說的是坡度，不是角度。45度的坡度是100。

來源: 布蘭雅於 2024-01-27 09:27:41 [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.