短語(yǔ)詞組短語(yǔ)drag of flow 阻力系數(shù)drag reduction flow 減阻流動(dòng)drag -flow 拖動(dòng)流high drag turbulent flow regime 大阻力紊流狀態(tài)drag reduction of flow 流動(dòng)減阻drag flow along channel 沿螺槽推進(jìn)流drag flow constant 推進(jìn)流常數(shù)drag flow capacity 推進(jìn)流流量 返回 drag flow