-Da teacher whose role prop the whole weight of mortar and concrete blocks of reinforced concrete works when not froze, rebar is also discrete.-Formwork creating, the size and quality of the concrete blocks.-spot casting method applied very spacious especially for small or great rhythm beats, complex structure-casting method in place to apply technological measures such as: cast in place on fixed teacher da, da mobile education and cast on cantileverthe momentum of higher education
đang được dịch, vui lòng đợi..
