Nrụrụ niile nwere ike ịhụ site na anya gba ọtọ ma ọ bụ iko na-ebuli elu dị ala ma dị n'elu weld ahụ, dị ka undercut (undercut), weld nodules, arc pit, elu pores, slag inclusions, elu cracks, enweghị ezi uche. A na-akpọ ọnọdụ weld, wdg exte ...
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