Semi gantry crane ndiye crane yomwe imagwiritsidwa ntchito kwambiri, yomwe imagwiritsidwa ntchito kwambiri m'malo ogwirira ntchito m'nyumba ndi kunja, monga mayadi osungira, nyumba yosungiramo zinthu, malo ochitirako zinthu, mabwalo onyamula katundu, ndi doko. Mtengo wa semi gantry crane nthawi zambiri umakhala wotsika mtengo poyerekeza ndi ma crane athunthu, zomwe zimapangitsa kuti zikhale zotsika mtengo ...
Werengani zambiri