为什么要用电磁的,用超导不是更好吗
所有跟帖:
• 回复:为什么要用电磁的,用超导不是更好吗 -子英- ♀ (225 bytes) () 10/26/2009 postreply 11:13:10
• 回复:为什么要用电磁的,用超导不是更好吗 -Chiyankun- ♂ (362 bytes) () 10/26/2009 postreply 15:08:03
• 回复:为什么要用电磁的,用超导不是更好吗 -子英- ♀ (225 bytes) () 10/26/2009 postreply 11:13:10
• 回复:为什么要用电磁的,用超导不是更好吗 -Chiyankun- ♂ (362 bytes) () 10/26/2009 postreply 15:08:03
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