将igs文件导入LT出现以下问题: .Y.{j4[LQ
:\0q\2e[<
*** Error (AITX_BLANKED_ENTS) *** wGqQR)a
Z UvA`
The input file did not contain any supported non blanked independant entities. A/ eZ!"Y
n&. bs7N2
Please check the documentation for a list of supported entities. =,aWO7Pz
[n`SXBi+n
请教各位是什么原因,如何解决?