... compressor 1.Product Main FeaturesMLGF series coal mine using screw mobile air compressorThe overall design with these features:Safety, high efficiency ... loss produced from the long line;Reducing the air loss caused by pipe leak.2) Adopting the Germany host, advanced structure, 5 ... is small, so return loss is small, and improve efficiency by 10% ~ 12% compared with 4:6 gear tooth, saving electric ...