| 摘要 |
A CPU heat sink including a heat sink body and a cover plate covered on the heat sink body, the heat sink body having a circular recessed chamber at an eccentric location which receives a fan, and a plurality of radiating fins spirally arranged around the circular recessed chamber and defining a plurality of spiral air passages adapted for guiding currents of air out of the circular recessed chamber, the cover plate having a circular opening corresponding to the circular recessed chamber of the heat sink body, rows of air vents, and a plurality of sloping wind guide strips respectively projecting into the air vents for guiding outside air through the air vents into the spiral air passages of the heat sink body.
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