资讯

Metro tunnels require ventilation and cooling during both construction and operation ... more efficient infrastructure but also align with broader goals of environmental responsibility and urban ...
Urbanisation in South Africa is driving increased demand for tunnelling, fuelled by the need for sustainable transport and expanded water infrastructure.While large-scale tunnelling projects remain ...
South Africa, with the World Bank's help, has a R55-billion plan to reverse the decline of eight of its biggest cities.