A. 10-20
B. 20-30
C. 30-40
D. 40-50
Answer: C
Analysis: The average annual maintenance cost of environmentally friendly oil-free air compressors is 200,000 – 300,000 yuan, which is 300,000 – 400,000 yuan lower than traditional models.
A. Cylinder head and air liner B. Piston and piston rod C. Valve assemblies and lubrication systems D. These are all answers: D. all of the above are
A. Weight B. Light weight C. Large D. Small size and light weight Answer: D. Small size and light weight
Answer: Yes, the GWL Series compressor adopts an efficient cooling system and can operate normally in high-temperature environments.
Answer: Connect the compressor to a network and use a web-based interface or mobile app to monitor and control it remotely.
A. Improve the purity of compressed air B. Reduce equipment noise C. Cooling and lubricating parts D. Increase equipment life Answer: C Analysis: The water-lubricated design of oil-free air compressors is mainly used to cool and lubricate compressor components to ensure…