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是不是还有一个叫阿鸡米得的老家伙琢磨过这事儿?他很聪明的,把被子放进水里就全明白了,你也试试?

eglington (eglington)
(#29345@0)
2001-2-28 -04:00
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Back To Topic: 原来空气没重量!我一条12斤的被子,抽成真空还是12斤!

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