4.焊接应平整，不扭曲变形。的翻译：4. welding should be formed without distortion. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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4. welding should be formed without distortion.

4. weldings should level, does not twist the distortion.

4.welding should be formed, does not become distorted.

4. welding should be formed without distortion.