Traditional Culture Encyclopedia - Photography major - A classroom wants to install a set of audio and video equipment, but it should be hidden. Are there any suitable products?
A classroom wants to install a set of audio and video equipment, but it should be hidden. Are there any suitable products?
Hello!
It's simple.
Install an electric fan on the beam opposite the podium.
Pinholes can be installed.
Put the wheat together
But if you want to keep it a secret,
High requirements for equipment.
The room next to the classroom is best used to receive data.
Sufficient funds
All is well
Only on behalf of personal views, don't spray if you don't like it, thank you.
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