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AWS D1.1中的3.8条: Welds may also be made in the root of groove or fillet welds using GMAW ,
followed by parallel or multiple electrode submerged arcs,provided that the GMAW conforms to the requirements
of this section, and providing the spacing between the GMAW arc and the following SAW arc does not exceed
15 in.
最后一句只要GMAW电弧和SAW电弧不超过15in应该怎么理解,是用GMAW打完底,接着就得上SAW么?
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