解决这一问题既可以提高焊点质量的判定精度，又能保证航空航天产品的质量，有必要构建一个更加有效的焊点质量检测系统。
Solving this problem would improve the quality of spot welding and guarantee the quality of aerospace products, it is necessary to build a more effective system of spot welding.
在焊点形成的过程中，点焊电流有效值的检测与控制是保证焊接质量的关键。
During the course of forming the welding spot, checking and controlling spot welding current value is the key to assure the welding quality.
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