在出钻孔表格的时候报错,如下:Drill Symbol limit exceeded. System will switch to letter generation. ' y- m: o6 f: A& e( Q* I6 G ; b4 C0 Q4 o4 z& |$ g; d- H" k3 V5 ^生产IPC的时候显示: X or Y coordinate of the feature is missing, $ S/ O0 x+ Z1 X" O* ?( ^0 M# g6 `0 w ~( P. t1 D( d
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请帮忙,谢谢 3 A* t+ b" s0 ^# [3 j/ ~