Schematic Diagram of Roots Blower
性能特点：静压高、效率高、噪音低等
Performance Characteristics: High Static Pressure, High Efficiency, Low Noise
适用范围：真空吸尘器、高静压除尘等；静压范围：2000--3500mmAq
Application Scope: Vacuum Cleaner, High Static Pressure De-dusting etc.,
Scope of Static Pressure: 2000--3500mmAq
