| 摘要 |
A portable electronic device includes a removable panel ( 10 ) defining a first latching hole ( 122 ) therein, a knob ( 30 ), and a base cover ( 40 ). The knob includes an operating portion ( 31 ) and a shaft portion ( 32 ). A catch ( 321 ) extends from the shaft portion. The shaft portion is rotatably received in the first latching hole, with the operation portion being above an upper surface of the removable panel, and the catch being below a lower surface of the removable panel. A second latching hole ( 450 ) and a latching hatch ( 454 ) are defined in the base cover. The removable panel is attached to the base cover by way of the shaft portion of the knob being inserted into the second latching hole with the catch being received through the latching hatch, and the operating portion of the knob then being rotated so that the catch is engaged below the base cover.
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