| 摘要 |
A heat dissipation device includes an axial-flow fan and an air guider. The axial-flow fan has an air inlet and air outlet. The air guider is connected to the air outlet and includes an air input section, an air output section, at least an air divider and at least an arc air divider. The air input section has an area smaller than that of the air outlet. The air output section has an area smaller than that of the air input section. The air divider is located within the air output section to divide the air output section into a plurality of air output channels. The arc air divider is located within the air guider.
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