将igs文件导入LT出现以下问题: kg
8Dn
"F%JZO51
*** Error (AITX_BLANKED_ENTS) *** ^Kg n:l
5VJe6i9;
The input file did not contain any supported non blanked independant entities. iGkysU<wcp
|R1T;J<[
Please check the documentation for a list of supported entities. lLDZ#'&An
=YTcWB
请教各位是什么原因,如何解决?