Iyi gantry crane ndeye MG mhando mbiri girder gantry crane, ine magirders maviri makuru uye imwe yemagetsi trolley.Nekuti mutengi anoda zvinhu zvekusimudza crane uye kuburitsa zvinhu pamota dzakapakwa mativi ese emakumbo e crane, saka zvinoda kuti crane ikwane maviri cantilevers.
Nguva yekutumira: Mar-31-2022