ckxcyl 发表于 2017-8-16 07:29 更正一下：如果P不算横向荷载，则算的数值175.5，选C
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
手机版|小黑屋|第一证书
GMT+8, 2024-6-8 03:19 , Processed in 0.012019 second(s), 2 queries , Apc On.
Powered by Discuz! X3.2
© 2001-2013 Comsenz Inc.
