Begini cara menghitung berat besi
Cara menghitung berat besi beton : Diameter x Diameter x 6165 x 12 (m) = Berat (kg)Diameter = diameter besi beton
Cara menghitung berat besi beton : Diameter x Diameter x 6165 x 12 (m) = Berat (kg)Diameter = diameter besi beton