短語詞組短語turbulent pipe flow 圓管湍流turbulent bulk flow theory 整體流動模型turbulent gas flow 湍動氣流turbulent swirl flow 自由旋流turbulent -flow conditions 紊流條件turbulent fluid flow 紊流hypersonic turbulent separated flow 高超聲速湍流turbulent secondary flow 湍流二次流turbulent debris flow 紊流性泥石流 返回 turbulent flow