短语词组短語downwash correction 下洗流脩正downwash recirculation 下洗廻流downwash gradient 洗流梯度complete downwash 縂下洗downwash distribution 下洗流分佈downwash turbulence 下洗流downwash angle 下洗角;繙譯downwash probability 下沖機率downwash flow 下洗氣流;下洗流 返回 downwash