| 摘要 |
A liquid crystal projector comprises an equipment body containing projection device and cooling device and including an air intake port and an air exhaust port, a case for housing the equipment body, and a sliding device for sliding the case so as to take a first state in which the equipment body is pulled out of the case and a second state in which the equipment body is housed in the case. The air intake port and the air exhaust port are closed at the first state and are opened outside at the second state.
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