- axial flow exhaust fan
- 轴流: axial compressor
- 排气: exhaust; aerofluxus; air-out ...
- 通风机: ventilator; air machine; low ...
- 排气通风机: air exhaust ventilator; air-ejecting fan; air-exhaust ventilator; suction fan
- 排气通风筒烟道抽风机: upcast entilator; uptake ventilator
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