Anti-ipata ti galvanized, irin pipe alurinmorin: Lẹhin ti dada itọju, gbona sokiri sinkii. Ti o ba ti galvanizing ni ko ṣee ṣe lori ojula, o le tẹle awọn loju-ojula egboogi-ipata ọna: fẹlẹ epoxy zinc-alakoko alakoko, iposii micaceous iron agbedemeji kun, ati polyurethane topcoat. Awọn sisanra ntokasi ...
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