@air
2025-04-15

After combining permanent magnet frequency conversion technology with oilless compression, how much can the energy efficiency be reduced compared with traditional models?

A. 5%-10%
B. 10%-15%
C. 15%-20%
D. 20%-28%

Answer: D
Analysis: Permanent magnet frequency conversion technology combined with oil-free compression can significantly improve energy efficiency and reduce energy consumption by 20%-28%.

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