将igs文件导入LT出现以下问题: qG +PqK;
i8S=uJ]n
*** Error (AITX_BLANKED_ENTS) *** H4$f+
J$lfI^^
The input file did not contain any supported non blanked independant entities. W}#n.c4+
MaPI<kYQv
Please check the documentation for a list of supported entities. k n/xt
0{
请教各位是什么原因,如何解决?