将igs文件导入LT出现以下问题: 64mh. j
mfg>69,w
*** Error (AITX_BLANKED_ENTS) *** 5|0/$ SWd*
517"x@6Q
The input file did not contain any supported non blanked independant entities. 'qEw]l
gdD|'h
Please check the documentation for a list of supported entities. o:v_I{
-zYa@PW
请教各位是什么原因,如何解决?