Setout ellipse curve with the traditional method of four-center will bring up offset of point and deformation of chart .
四心圆法
圆曲线会造
点位偏移,图形变形。
Setout ellipse curve with the traditional method of four-center will bring up offset of point and deformation of chart .
四心圆法圆曲线会造点位偏移,图形变形。
In the production process of PCB, there are many defects such as surface smudginess, solder mask unevenness, text excursion, pad damage, track damage etc.
在印刷电路板的
产过程中,会产外观不整洁、阻
不均匀、文字偏移、线路及盘破损等缺陷。
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，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
