请专家帮忙-如何读出原光盘中的数据？

我在原来的数据光盘上追加写了一个新的folder数据，写好后，只能看到新的folder,原来的数据看不到了。不知为何？

所有跟帖： 

• because -f64- ♀ (206 bytes) () 04/08/2004 postreply 13:42:14

• 回复：because -Berniebn- ♀ (155 bytes) () 04/08/2004 postreply 14:05:56

• 回复：回复：because -f64- ♀ (150 bytes) () 04/08/2004 postreply 14:55:05

• 回复：回复：回复：because -Berniebn- ♀ (128 bytes) () 04/08/2004 postreply 14:59:01

• f64 is right, Nero do has that -我成天用nero- ♀ (0 bytes) () 04/08/2004 postreply 16:03:59

• Nero does have that -f64- ♀ (0 bytes) () 04/08/2004 postreply 16:05:08

• 回复：Nero does have that -Berniebn- ♀ (88 bytes) () 04/08/2004 postreply 16:24:24

• 回复：回复：Nero does have that -woodrooste- ♀ (41 bytes) () 04/08/2004 postreply 16:29:40

• 回复：回复：回复：Nero does have that -Berniebn- ♀ (22 bytes) () 04/08/2004 postreply 16:35:59

• 哪个热心人与我通个话[e-mail] -Berniebn- ♀ (0 bytes) () 04/08/2004 postreply 16:48:08

• 回复：哪个热心人与我通个话[e-mail] -Berniebn- ♀ (22 bytes) () 04/08/2004 postreply 16:50:46