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Anonymous users2024-01-24Do you mean sealed inside, that voice can't come out. It can be fitted with ceiling speakers.
The difference between the ceiling air conditioning unit and the fresh air unit is that the air conditioning unit has three ports (air supply, return air, fresh air) or two ports (supply air, return air), and the fresh air unit has two ports (air supply and fresh air), or in other words, according to whether there is return air to distinguish the ceiling air conditioning unit and the fresh air unit. The air-conditioning unit is through R22 and other refrigerants, through the compressor work, heat exchange to produce 7-12 degrees of cold water to provide the equipment used in the terminal air-conditioning box, there are two kinds of air cooling and water cooling.
I don't know what you mean by hiding in glass, but the general chandelier refers to the crystal chandelier, which also has a lampshade to isolate the dust.
Yes, ceiling speakers are specially designed to be installed on suspended ceilings. The ceiling horn on the right is a good price-performance ratio.
Ceiling audio, after installation, cover the net cover, only see the flat surface of the grille, now there is a frameless series, and the integration effect of the ceiling is better. Turn right and have the background music for the family.
Snakes hibernate in winter, but not in the sand, and generally find a burrow to hibernate.