| 摘要 |
A fan assembly includes a first fan and a second fan mounted on the first fan. The first and second fans respectively include first and second frames. The first frame includes four pairs of first flakes on a top thereof. The first flakes of each pair are arranged face to face, and each protrudes a first hook towards the other one. The second frame includes four pairs of second flakes on a bottom thereof. The second flakes of each pair are arranged back to back, and each protrudes a second hook pointing away from the other one. The pair of second flakes are received between a corresponding pair of first flakes with the second hooks respectively engaging with the first hooks.
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