Uma kuqhathaniswa ne-gantry crane, i-semi-gantry crane inemilenze eyodwa eseceleni, ngakho-ke izindleko ze-semi gantry crane ishibhile kune-gantry crane.Ngaphezu kwalokho, i-semi gantry crane isiza ikhasimende ukuthi longe isikhala futhi lisebenzise ngendlela efanele isakhiwo esikhona sensimbi yemboni.
Isikhathi sokuthumela: Mar-31-2022