When the observed data on sewerage and traffic, we can see the status of the main roads had improved from 2005 to the present. If compared to the standard level of about 5 km/km2 for the drainage network and the main traffic, we see about draining, Long xuyen, Kontum, Pleiku is missing to over 50%, the only other city still lack about 20%
đang được dịch, vui lòng đợi..