吸气通风 抽引通风

suctiondraft  detail>>

抽引通风

suction draft  detail>>

吸气通风

suction draft  detail>>

吸气通风筒

downcast ventilator  detail>>

充气通风

plenum ventilation  detail>>

抽气通风

drawing ventilation exhausting ventilation extract ventilation induced draft ven...  detail>>

抽气通风机

induced draft engine  detail>>

给气通风

supply system  detail>>

供排气通风

supply and exhaust ventilation  detail>>

换气通风

ventilate  detail>>

换气通风机

air renewal ventilator  detail>>

进气通风

supply ventilation supplyventilation  detail>>

进气通风筒

down cast ventilator downcastventilator  detail>>

空气通风

air draft air draught air ventilation  detail>>

空气通风器

air ventilator  detail>>

排气通风

aspiration ventilation blow-off ventilation exhaust ventilation exhaust-duct ventilat...  detail>>

排气通风法

aspiration ventilation  detail>>

排气通风机

air exhaust ventilator air-ejecting fan air-exhaust ventilator suction fan  detail>>