Galvanized ntawv yog cov khoom siv hlau dav siv hauv kev lag luam xws li architecture, hluav taws xob, tsheb, rooj tog, thiab tshuab. Nws muaj qhov zoo xws li kev tiv thaiv corrosion, durability, aesthetics, thiab portability, yog li nws tau nyiam los ntawm kev lag luam thiab cov neeg siv khoom. Nyob rau hauv kev siv ...
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