Blower is used for the atomization of water and of the detergent. Therefore, it is usefulwhen a car is washed. ... heat efficiency, so it is energy-saving. The blower rotor adopted the advanced Composite curve, the meshing is more reasonable, and further increases ... vibration, moreover, and highly increase the life of the blowers.16.Mercury column detecor: we test the air capacity and pressure through it ...