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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