但是,铁的密度不是最高的吧?
所有跟帖:
• 在最中心,因为重力的关系,有裸体的中子 -也潜水- ♀ (0 bytes) () 11/22/2010 postreply 12:55:25
• wa~~你懂的真多~~ -靓女~- ♀ (0 bytes) () 11/22/2010 postreply 13:06:49
• 在最中心,因为重力的关系,有裸体的中子 -也潜水- ♀ (0 bytes) () 11/22/2010 postreply 12:55:25
• wa~~你懂的真多~~ -靓女~- ♀ (0 bytes) () 11/22/2010 postreply 13:06:49
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