This serves two purposes: It cools the shaft and some of the other turbocharger parts, and it allows the shaft to spin without much friction.是什么意思_This serves two purposes: It cools the shaft and some of the other turbocharger parts, and it allows the shaft to spin without much friction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句