DSAW (Double-sided spiral undermerged arc welded pombi) maitiro: kugadzirwa kwepiipi yakasungwa iri nyore, kushanda kwakanyanya, mutengo wakaderera, kukurumidza kusimudzira.Simba reiyo spiral welded pombi rinowanzo kukwirira kupfuura dsaw pombi uye rinogona kupfupisa kugadzirwa kwebillet yepombi yakakura yedhayamita, iwe ...
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