What is the main purpose of the water-lubricated design of oilless air compressors?

A. 15 B. 30 C. 45 D. 60 Answer: C Analysis: Through energy efficiency optimization, the 110kW model can save annual electricity bills of up to 450,000 yuan, directly reducing operating costs.

A. Spraying and sandblasting operations B. Home use of C. Commercial places use D. Agricultural production uses answer: A. Spraying and sandblasting operations

A. Dust content B. Oil content C. Dew point temperature D. Pressure fluctuations Answer: B Analysis: Oil mist emissions violate environmental regulations, and environmentally friendly oil-free air compressors combined with environmental management system certification can ensure compliance.

A. Price and brand B. Performance, price and brand C. Market share and technological innovation D. Production date and transportation method Answer: C. Market share and technological innovation

Answer: It is widely used in medical, food and beverage, electronics, pharmaceutical, chemical, textile, and laboratory industries.