2) hood for fume 集烟罩3) hood [英][hʊd] [美][hud] 烟气罩4) gas-collecting hood 集气罩 1. Numerical simulation of airflow pattern in gas-collecting hood of aerated grit chamber; 曝气沉砂池集气罩内气流形态的数值模拟 2. Therefore,a numerical simulation on 3-D air turbulent...