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A purified air curtain blowing down from a hat and its applications
A purified air curtain blowing down from a hat and its applications
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机译:从帽子及其应用中吹来的净化空气窗帘
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摘要
The purified air is blown down from the cap to form a clean air curtain, and such caps can be placed on the business chairs to protect customers from yellow dust, dust, and germs.
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