短語詞組短語fume exhaust cover 排油煙罩Fume exhaust ductwork 排煙管道系統(tǒng)Laboratory Fume Exhaust 萬向抽氣罩Fume exhaust table 排煙臺fume exhaust system 排煙系統(tǒng);熏煙排氣系統(tǒng)fume exhaust volume 排煙量fume exhaust properties 排煙性能fume exhaust avoidance 防排煙natural fume exhaust 自然排煙 返回 fume exhaust