This controller measures only vehicle speed or both throttle position and vehicle speed to determine the proper gear ratio based on preprogrammed upshift and downshift schedules.是什么意思_This controller measures only vehicle speed or both throttle position and vehicle speed to determine the proper gear ratio based on preprogrammed upshift and downshift schedules.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句