| 摘要 |
A range hood, containing at least a fan having a housing and an impeller, an oil filter, a cover, a fume exhaust cover, a light, and a switch. The housing of the fan is a circular double-chamber or multi-chamber structure with an air inlet and an air outlet, and the impeller of the fan contains at least one group of arc-shaped blades each having a closed side and being enlarged in an axial direction.
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