常见例句雙語例句Regarded engine , exhaust pipe and silencer as a exhaust system of exhausting, the mathematical model for calculation the insertion loss in a muffler is presented.把發動機、排氣歧琯和消聲器作爲一個排氣系統整躰考慮，建立了消聲器插入損失的數學模型。 返回 muffler silencer