xtlmsk21520 发表于 2017-8-16 10:03 先求整块墙上的平均应力,再求垫块作用面积的平均应力
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
手机版|小黑屋|第一证书
GMT+8, 2024-6-23 11:42 , Processed in 0.019236 second(s), 3 queries , Apc On.
Powered by Discuz! X3.2
© 2001-2013 Comsenz Inc.