A. 0.5-0.6
B. 0.7-0.85
C. 0.9-1.0
D. 1.1-1.2
Answer: B
parsing: When selecting a model, it needs to be multiplied by an efficiency factor of 0.7-0.85.
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.
Answer: The motor power typically ranges from [C] to [D] kW.
Answer: It is more energy-efficient and has lower operating costs due to its oil-free design and advanced compression technology.
Answer: Connect the compressor to a network and use a web-based interface or mobile app to monitor and control it remotely.
A. A few hundred yuan to several thousand yuan B. Thousands of yuan to tens of thousands of yuan C. Tens of thousands to hundreds of thousands of yuan D. Hundreds of thousands of yuan to several million yuan Answer: A. A few hundred yuan to several thousand yuan