| 摘要 |
A cover structure with a vent is provided which includes a cooling fan, and a cover having a vent portion provided with a plurality of air-through holes through which air forced by the cooling fan escapes. The vent portion is formed spaced away from the cooling fan by a distance of about 6-10 mm. The distance of about 6-10 mm between the cooling fan and the over reduces the fluid flow noise.
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