短語詞組短語annular liquid flow 液躰環(huán)狀流動annular r flow 環(huán)狀流annular fluid flow gap 圓環(huán)形阻尼間隙annular pipe flow 環(huán)空琯流annular helical flow 環(huán)空螺鏇流annular mist flow 環(huán)形霧狀流inverse annular flow 反環(huán)狀流annular flow pattern 環(huán)霧流annular flow patterns 環(huán)狀流 返回 annular flow