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zdcamel

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zdcamel(½ð±Ò+1): 2010-09-16 17:14:25
caocao4735(½ð±Ò+1):лл½»Á÷ 2010-09-16 18:04:19
ÒýÓûØÌû:
Originally posted by zdcamel at 2010-09-16 16:38:58:
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2Â¥2010-09-16 16:52:57
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sourbing

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caocao4735(½ð±Ò+1):лл½»Á÷ 2010-09-16 18:04:27
zdcamel(½ð±Ò+1): 2010-09-17 11:35:11
KSI=ǧ°õ/ƽ·½Ó¢³ß

1ǧ°õ£½0.45KG£½0.45*9.8*1000=4410N

1Ó¢³ß£½25.4mm

1KSI=4410/(25.4*25.4)=6.84N/ƽ·½ºÁÃ×=6.84MPa

[ Last edited by sourbing on 2010-9-16 at 17:26 ]
3Â¥2010-09-16 17:24:50
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