A. 50%
B. 60%
C. 75%
D. 80%
Answer: C
Analysis: Environmentally friendly oil-free air compressors reduce oil pollution, thereby reducing the frequency of filter replacement and optimizing maintenance costs.
A. High energy consumption B. Low energy consumption and high efficiency C. Maintaining complex D. High noise answer: B. Low energy consumption and high efficiency
A. Price and brand B. Performance, price and brand C. Market demand and technological development D. Production date and transportation method Answer: C. Market demand and technological development
A. Price and brand B. Performance, price and brand C. Appearance and color D. Production date and transportation method Answer: B. Performance, price and brand
A. The whole machine is guaranteed for one year, and the main machine is guaranteed for two years. The whole machine is guaranteed for two years, and the main machine is guaranteed for one year. The whole machine and mainframe are guaranteed for one year D. The whole machine and mainframe are guaranteed for two years. Answer: A. The whole machine is guaranteed for one year, and the main machine is guaranteed for two…
Answer: It uses a water-cooled system to maintain optimal operating temperatures.