self-propelleda. 自力推進的學術名詞自走式:電機工程、機械工程、農業機械自動推進的:電機工程自行的:電機工程不用助推器之飛行速率:航空太空自航:海事英文釋義containing within itself the means of propulsion or movementmoved forward by its own force or momentum