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. 1KW to 10KW B. 10KW to 100KW C. 100KW to 1000KW D. Answer above 1000KW: B. 10KW to 100KW
Answer: The biggest difference is that the GWL Series compressor does not use lubricating oil during the compression process, providing oil-free compressed air.
A. Lower B. Higher C. Same as oilless air compressor D. The answer cannot be determined: B Analysis: The lubricating oil from the oil-injected air compressor will be partially mixed into the compressed air, resulting in a high oil content in the compressed air.
Answer: It offers superior energy efficiency, lower maintenance costs, and a longer lifespan.
A. Traditional models are more stable B. Environmentally friendly models are more stable C. Both have the same stability. Unable to compare the answer: B Analysis: Environmentally friendly oil-free air compressor adopts adsorption drying technology, and its dew point stability is-20℃±2℃,…