Gantry crane ena ke mofuta oa MG double girder gantry crane, e na le li-girders tse peli tse kholo le trolley e le 'ngoe ea motlakase.Hobane moreki o hloka lintho tse phahamisang crane le ho theola lintho likoloing tse emeng ka mahlakoreng a mabeli a maoto a crane, kahoo ho hloka hore crane e be le li-cantilevers tse peli.
Nako ea poso: Mar-31-2022