centerline造句
WhenappliedhighfrequencypulsecurrentonCC.billet,thecenterlinepipeandcenterlinecrackinbilletareeliminated,andthecentralsegregationandmiddlecrackareimproved.Steelandothermajorcomponentssuchasmarkingthec...
WhenappliedhighfrequencypulsecurrentonCC.billet,thecenterlinepipeandcenterlinecrackinbilletareeliminated,andthecentralsegregationandmiddlecrackareimproved.Steelandothermajorcomponentssuchasmarkingthec...