Nke a gantry kreenu bụ okpukpu abụọ girder gantry crane ma ọ nwere otu cantilever akụkụ.Ikike ibuli crane gantry a bụ ton 600 yana ihe njikwa nke crane gantry a bụ njikwa ụlọ. Oge nzipu: Mar-31-2022