将igs文件导入LT出现以下问题: lsKQZ@LN`
Q-Oj%w4e
*** Error (AITX_BLANKED_ENTS) *** _&aPF/
NR98]X
The input file did not contain any supported non blanked independant entities. uMX\Y;N
/]-a 1
Please check the documentation for a list of supported entities.
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iC~ll!FA!
请教各位是什么原因,如何解决?