A. Pure compressed air
B. low manufacturing cost
C. simple maintenance
D. low energy consumption
Answer: A
Analysis: The main reason why the food production industry chooses oil-free air compressors is that its compressed air is pure and meets the hygiene requirements of food production.
Answer: It is used for providing clean, oil-free compressed air for medical equipment and procedures.
A. 1873 B. 1871 C. 1965 D. Answer in 2017: A. in 1873
Answer: The discharge capacity ranges from [A] to [B] m³/min.
A. 100 B. 300 C. 500 D. 800 Answer: D Analysis: Coating defects caused by oil pollution can cause annual losses of more than 8 million yuan for a single production line, highlighting the importance of oil-free 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.