從A到B,是隻有一條汙水管嗎?
所有跟帖:
• 據說連到STREET的口一般隻有一個,也就是說,隻有一個B,但是 -purplenight- ♀ (97 bytes) () 05/03/2010 postreply 06:02:07
• 謝謝。我就是懷疑有兩條管平行從A連到B -玉筷子- ♀ (0 bytes) () 05/03/2010 postreply 14:55:38
• 據說連到STREET的口一般隻有一個,也就是說,隻有一個B,但是 -purplenight- ♀ (97 bytes) () 05/03/2010 postreply 06:02:07
• 謝謝。我就是懷疑有兩條管平行從A連到B -玉筷子- ♀ (0 bytes) () 05/03/2010 postreply 14:55:38
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