回复：玻璃杯碰倒，下落高度很小，却爆响粉碎，怎样解释? not a tr

杯中空气共鸣.

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• The crack travels at several times the speed of sound and can sp -走马读人- ♂ (5090 bytes) () 06/24/2011 postreply 20:52:05

• 谁能解释玻璃杯自爆?与您原题不同. -jinjing- ♀ (64 bytes) () 06/25/2011 postreply 19:36:30

• thx! -走马读人- ♂ (0 bytes) () 06/26/2011 postreply 20:14:44

• Ur wcm. -jinjing- ♀ (0 bytes) () 06/27/2011 postreply 20:42:46