局部排风罩
- 网络exhaust hood
局部排风罩-
局部排风罩的优化设计方法
Design optimization of local air-exhaust hoods
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在送风比例相同的条件下，局部排风罩向下送风方式的排风效率最高，天花板顶送风方式次之，局部排风罩后送风方式最低；
Under the condition of the same supply air ratio , the exhaust efficiency of air-curtain supply types is highest , that of ceilings supply is higher , and that of rear supply is lowest .