The new muffler can achieve double goals of both heat exchange and muffling when the original exhaust muffler of a road bus is replaced with it.是什么意思_The new muffler can achieve double goals of both heat exchange and muffling when the original exhaust muffler of a road bus is replaced with it.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句