将igs文件导入LT出现以下问题: *Hy-D</w%
)#zc$D^U
*** Error (AITX_BLANKED_ENTS) *** 2`I"
QU
"S.5_@?
The input file did not contain any supported non blanked independant entities. &U ]L@]x
x?Doe`/6?
Please check the documentation for a list of supported entities. f/RzE
72R|zR
请教各位是什么原因,如何解决?