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Instrument and meter
Ventilation plug for filter chamber
Phenolic fiberglass air duct
Glass magnesium air duct
Reinforced concrete protective sealing door
Air curtain machine
Reinforced concrete single leaf protective closed door
Can open the side wall grille air outlet
Rotary heat recovery unit
Rotary dehumidifier unit
Civil air defense duct
Spherical air outlet
Side wall grille louvered air outlet
YTHL mixed flow fan
DBF low-noise cabinet centrifugal fan case
Steel structure double leaf protective closed door
Reinforced concrete movable threshold single leaf closed door
3c fire damper
Two way force bearing double fan protective airtight door with connected port
Square, rectangular diffuser
Explosion proof floor drain
Successful operation!
