Dhuumaha galvanized Hayso codsiyo kala duwan oo kala duwan, oo ay ku jiraan gaaska, batroolka, kiimikooyinka iyo beeraha kale ee warshadaha, iyo sidoo kale tuunbooyinka tuubooyinka buundooyinka trestle, iyo tuubooyinka taageeraya fiilooyinka ee tunnelyada miinada.
Dhuumaha birta ee Galvanized ERW waxaa loo dhoofiyay New Zealand, oo leh liiskan soo socda.
Haddii aad u baahan tahay dhuumaha birta galvanized, fadlan nala soo xiriir.
Waqtiga boostada: Sebtembar-02-2022