確實對稱。。
所有跟帖:
• 怎可能不對稱? -移花接木- ♂ (0 bytes) () 12/14/2012 postreply 04:59:21
• 一定對稱的。 謝謝樓上兩位! -Alabama- ♂ (0 bytes) () 12/14/2012 postreply 06:54:57
• 怎可能不對稱? -移花接木- ♂ (0 bytes) () 12/14/2012 postreply 04:59:21
• 一定對稱的。 謝謝樓上兩位! -Alabama- ♂ (0 bytes) () 12/14/2012 postreply 06:54:57
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