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水中称重法应该可以
布衣之才
2010-06-23 20:52:59
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全人干称一次，身体入水头在水上称一次，全人入水称一次
跟帖(1)
guest007
2010-06-24 04:50:06
just make sure you understand the basics- vol vs. weight
guest007
2010-06-24 04:50:06just make sure you understand the basics- vol vs. weight