| 摘要 |
A projection device comprises a plurality of elements, a base seat and an outer cover. The elements are used for respectively executing specific functions to cause the projection device to operate. The base seat comprises a first side surface and a second side surface, an element fixing structure is disposed on the first side surface and used for fixing the elements, and a first fixing device is disposed on the second side surface. The outer cover comprises a third side surface and a fourth side surface, the third side surface is used for forming an outlook surface and a second fixing device is disposed on the fourth side surface. The elements are installed on the element fixing structure, the first fixing device and the second fixing device are combined together when the projection device is assembled.
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