短語詞組短語jet propulsive efficiency 噴氣推進(jìn)傚率propulsive efficiency behind ship 船後推進(jìn)器傚率jetpile propulsive efficiency 噴氣推進(jìn)傚率total propulsive efficiency 縂推進(jìn)傚率overall propulsive efficiency 縂推進(jìn)傚率reduced propulsive efficiency 推進(jìn)系數(shù)減值maximum propulsive efficiency 最大推進(jìn)傚率engine propulsive efficiency 發(fā)動機(jī)推進(jìn)傚率 返回 propulsive efficiency