Ipayipi le-Spiral welded (ipayipi le-SSAW) liwuhlobo lwepayipi lensimbi elivunguzayo elenziwe ngekhoyili yensimbi eyi-strip njengempahla eluhlaza, elishiselwa inqubo yokushisela ye-arc enezintambo ezimbili ezinhlangothini ezizenzakalelayo futhi ikhishwe ekamelweni lokushisa.Ubunjiniyela bokuhlinzeka ngamanzi, imboni ye-petrochemical, imboni yamakhemikhali, ...
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