5 ~ 20 Tuj Txawb Crane Tib Girder Gantry Crane Qes Nqe
Gantry Cranes feem ntau yog siv rau kev tsiv hnyav, feem ntau sab nraum zoov. Peb tau tsim thiab tsim tau ntau lub vauj loj nrog cov nta xws li cov nqus roob dav hlau, ntau lub dav hlua thiab cov cabs.
Zoo ntawm Gantry Cranes.