LEARNit Dictionary
national grid
noun
/ˌnæʃnəl ˈɡrɪd/
UK
/ˌnæʃnəl ˈɡrɪd/
US
1
the system of power lines that joins the places where electricity is produced, and takes electricity to all parts of the country
شبکه ملی برق, شبکه سراسری برق, شبکه برق کشوری