1)LITV Late Intake-Valve Closing(system),进气门延迟开闭系统2)LIVC Late Intake-Valve-Closing(engine),进气门延迟开闭发动机3)valve-closing retard,气门关闭延迟4)DPA Delayed Port Admission(system),延迟气口进气系统5)EITV Early Intake-Valve Closing (system),进气门提前关闭系统6)intake rumination,进气迟闭
