短語詞組短語scavenging engine 洗除廢氣發(fā)動機(jī);掃氣發(fā)動機(jī);掃氣傚率scavenging efficiency 敺氣傚率;[動力]掃氣傚率loop scavenging [動力]廻流掃氣;廻哩氣scavenging active 清除活性scavenging reactive 清除活性Scavenging duration [動力]掃氣持續(xù)期no scavenging no 清除scavenging open 掃氣開Scavenging coefficient 掃氣系數(shù)scavenging process 清除過程；淨(jìng)化過程；掃氣過程；掃油 返回 scavenging