求翻译：美国汽车工业自亨利#福特1907 年发明T型车及首创流水线生产方式以来, 经过长期的竞争和兼并, 完全由三大汽车公司控制着, 它们是通用汽车公司、福特汽车公司和克莱斯勒汽车公司。是什么意思？

U.S. auto industry since Henry # 1907 Ford invented the Model t and since the first assembly line production, after long-term competition and mergers, completely controlled by the Big Three auto companies, General Motors, Ford Motor Company and Chrysler Corporation.

The American automobile industry since 1907, Henry Ford invented # T-type car and first production pipeline, and after long-term competition and mergers, the 3 largest automotive company that they are general Motors Corporation, Ford Motor Company and Chrysler Motor Company.

The American automobile industry in 1907 has invented T Che Ji since Henry # Ford to originate the production-runs way, passes through the long-term competition and the annexation, is controlling completely by three big car companies, they are General Motors, the Ford Motor Company and the Chrysler

United States # Henry Ford invented in 1907 automobile industry since the model t and the first assembly line production, after a long period of competition and mergers, are entirely controlled by the big three companies, namely General Motors company, Ford Motor Company, and Chrysler.

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