Bomba la LSAW (Longitudinal Submerged Arc-Welding Bomba), pia huitwa bomba la SAWL. Inachukua bamba la chuma kama malighafi, lifinyanga kwa mashine ya kufinyanga, kisha tengeneza uchomeleaji wa arc wenye pande mbili. Kupitia mchakato huu bomba la chuma la LSAW litapata ductility bora, ugumu wa weld, usawa, ...
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