I-weld pipe weld porosity ayithinti kuphela ukuminyana kwepayipi, ukuvuza kwepayipi kanye nokugqwala kuyokwenziwa iphuzu kunciphisa kakhulu amandla okushisela kanye nokuqina.Izici ze-weld porosity yilezi: ukugeleza kwamanzi, ukungcola, i-oxide ne-iron filings, izithako zokushisela kanye nokuqina kwekhava...
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