短語詞組短語stagnation n flow 滯止流stagnation point flow 駐點流stagnation point thermal flow 駐點熱流stagnation n point flow 駐點流oblique stagnation flow 斜滯流three -dimensional stagnation flow 三元滯止流動flow stagnation 停滯circulation flow stagnation 循環(huán)停滯 返回 stagnation flow