fox_12520 发表于 2016-1-12 17:28 据抗规5.1.3、5.1.4轴压力设计值： N=1.2×(980+0.5×220）+1.3×280=1672kN 据抗规6.3.6
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
手机版|小黑屋|第一证书
GMT+8, 2024-6-3 21:07 , Processed in 0.013905 second(s), 3 queries , Apc On.
Powered by Discuz! X3.2
© 2001-2013 Comsenz Inc.
