extraction fan meaning in English

抽风机
抽气风扇
排气风扇

Fumes and hot air are discharged in such manner as not to be a nuisance . metal hood , air - ducts , extraction fans , grease filters water scrubbers of exhaust systems are maintained in good order
排放油烟和热空气的方式不会造成滋扰，而排气系统的金属罩气槽抽气扇油烟过滤器水剂涤气系统均保养良好
Fumes and hot air are discharged in such manner as not to be a nuisance . metal hood , air - ducts , extraction fans , grease filterswater scrubbers of exhaust systems are maintained in good order
排放油烟和热空气的方式不会造成滋扰，而排气系统的金属罩、气槽、抽气扇、油烟过滤器水剂涤气系统均保养良好；