I-anti-corrosion of galvanized steel pipe welding: Ngemva kokwelashwa okungaphezulu, i-zinc yesifutho esishisayo. Uma ukucwebezela kungenzeki esizeni, ungalandela indlela esendaweni yokunqanda ukugqwala: ibhulashi i-epoxy zinc-rich primer, i-epoxy micaceous iron intermediate paint, ne-polyurethane topcoat. Ugqinsi lubhekisela...
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