LS-prepost中梁单元的方向节点未定义？ 80
浏览：1831
错误如下：
*** Error 20225 (STR+225)
orientation node for beam element # 334239 is undefined
*** Error 20211 (STR+211)
reading element card for beam element
undefined node # 0
334239 6 357873 357874 0 0 0
input phase will continue if possible
