将igs文件导入LT出现以下问题:
A
".v+
D%`O.2T Y|
*** Error (AITX_BLANKED_ENTS) *** Gye84C2E=
aM7e?.rU
The input file did not contain any supported non blanked independant entities. Y9/`w@"v
1+F0$<e}
Please check the documentation for a list of supported entities.
P,Z
K
\DiAfx<Ub
请教各位是什么原因,如何解决?