underground construction

field of engineering for the design and construction of subsurface structures

en-US/ˌʌndɚˈɡɹæʊnd kənˈstɹʌkʃən/
en-GB/ˈʌndəɡɹaʊnd kənˈstɹʌkʃn/

หมวดหมู่:

architectural engineeringcivil engineeringeconomic activity