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用画pcb的时候错误检测有个drill size的错误，不太清楚这个错误是怎么回事该怎么改
这个错误是在我画顶层线，然后按鼠标中键变成底层之后自动出了个孔和焊盘，之后就显示了drill size的错误，求教该怎么改。谢谢！
建议楼主提供下完整的错误信息
