Lub ntsiab
Cov ntaub ntawv tshwj xeeb / daim ntawv thov
Lub thawv
Kev noog
Lavxias teb lub cav d49, plaub-stroke lub cav diesel tau tsim kho thiab ua tiav kev lag luam, peb lub tuam txhab, peb lub tuam txhab, peb lub tuam txhab, peb lub tuam txhab, peb lub tuam txhab muab cov chaw muaj zog D49 lo rau ntiaj teb. Peb D49 locomotive series cov khoom suav nrog piston sib dhos, crankshaft thiab lwm yam.
