将igs文件导入LT出现以下问题: @bLy,Xr&
gg/-k;@ Rf
*** Error (AITX_BLANKED_ENTS) *** QL/(72K
bWS&Yk(
The input file did not contain any supported non blanked independant entities. A@('pA85
xH,a=8&9
Please check the documentation for a list of supported entities. E=Bf1/c\
y<3-?}.aZ
请教各位是什么原因,如何解决?