短語詞組短語exhaust fume collecting hood 集煙罩fume extraction hood 煙霧排出罩exhaust t fume collecting hood 集煙罩Steel Fume Hood 全鋼通風柜arc furnace fume hood [冶]電弧爐排煙罩recirculation filtration fume hood 再循環(huán)自凈型排風柜laboratory hood fume hood 排風柜Fume Hood Containment 通風柜氣流抑制Fume Hood Monitor 煙道監(jiān)視 返回 fume hood