将igs文件导入LT出现以下问题: jEXW
aQ j*KMc
*** Error (AITX_BLANKED_ENTS) *** V0nn4dVO
/WPv\L
The input file did not contain any supported non blanked independant entities. R_sC! -
9;%CHb&
Please check the documentation for a list of supported entities. f`>/
H!<2
w<9>Q1(
请教各位是什么原因,如何解决?