For steel beams, floors: the first erection of the frame beam under 1, align, position, then install wooden beams according to the other methods, the welding positioning attached with steel home column. Finally sprayed steel floor deck, steel also be fixed together by longitudinal tie the score in the fruit fillings. Torque acoustic steel on the floor are fixed by the stats, steel concrete positive Torque
đang được dịch, vui lòng đợi..