exhaust shutter

基本解释

Shutter Mounted Industrial Exhaust Fan is designed for use inside the building with vents outside.
快門式工業排風扇，是專爲建築內部排氣而設計的。
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Shutter Mounted Industrial Exhaust Fan models are available with a blade diameter of 12", 18", 24" or 30".
快門式工業排風扇根據型號，刀片直逕分別爲12英寸，18英寸，24英寸或30英寸。
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The concentrate blending plant regulates the fume volume from pre-drying fume exhaust system via controlling the opening of shutter valve.
備料車間預乾燥排菸系統自投産以來一直是通過控制百葉閥的開啓度來調節其菸氣流量。