自走式挖掘机

self-propelled

mechanized gun【军】;self-propelled artillery【军】;self-propelled gun【军】

self-propelled self-loading trailer self-loading trailer for harvested crops

self-propelled mount(ing)【军】

self-propelled forage harvester

self-propelled

self-propelled vessel for launching, towing aircrafts

self-propelled combine harvester