| 摘要 |
A system for reducing air pollution comprising a tower including an air intake at least 200 m above the ground, air outlets at more than 30 m above the ground, and a duct extending between the air take and the air outlets and having a flow cross-section of at least 25 m2, and a blower located in the duct for drawing air through the air intake and expelling it from the outlets as jets moving at least 1 m/sec and extending at least 500 m from the outlet.
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