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