... " 3.outdoor use, powerful, easy use Features:1,compressor full range of choices are the German AZ, GHH, the company imported from ... exhaust gas temperature must be controlled in the range to prevent precipitation of moisture in the air compressor. 5,microcomputer controller ... , and a longer service life, ensure that the discharge of oil content ≤ 3ppm.Technical parameter:Modelvolume flow m3/minexhaust ...