Rapid warm-up is one of the characteristics of air-cooled engine, since they do not have heat water in cylinder jackets and radiator.是什么意思_Rapid warm-up is one of the characteristics of air-cooled engine, since they do not have heat water in cylinder jackets and radiator.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句