I-Hot-dip galvanized galvanized tube ingenamthungo kukwenza isinyithi esinyibilikisiweyo siphendule kunye ne-matrix yentsimbi ukuvelisa umaleko we-alloy, ukuze i-matrix kunye nokwaleka zidityaniswe. I-Hot-dip galvanizing kukuvuthela umbhobho wentsimbi kuqala. Ukuze ususe i-iron oxide phezu kombhobho wensimbi, emva kokukhetha ...
Funda ngokugqithisileyo