福特全球技术公司取得用于诊断发动机压缩比改变机构操作专利

Group 1 - The core point of the article is that Ford Global Technologies has obtained a patent for a method and system for diagnosing engine compression ratio changing mechanisms, indicating innovation in automotive technology [1] Group 2 - The patent was granted with the announcement number CN110030100B and was applied for on December 2018, showcasing the timeline of Ford's technological advancements [1]