将igs文件导入LT出现以下问题: M"Y,kA|+
_GoFwVO
*** Error (AITX_BLANKED_ENTS) *** j\@&poJ(,
CQ{pv3)
The input file did not contain any supported non blanked independant entities. uesIkJ^Q[
gd0a,_`M
Please check the documentation for a list of supported entities. S2
-J1x2N
sZ"(#g;3<
请教各位是什么原因,如何解决?