1893年，他买下了一个汽油发动的引擎，并以此设计了一个无马马车或汽车。
In 1893, he purchased a gasoline - powered engine and designed a "horseless carriage," or auto.
机械动力的来源可能各有不同：由水、风、蒸汽或气体发动的涡轮机；汽油引擎；或柴油引擎。
The mechanical power may come from various sources: turbines powered by water, wind, steam, or gas; gasoline engines; or diesel engines.
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