@air
2025-04-15

What are the main aspects of the technological innovation of air compressors?

  • A. Permanent magnet frequency conversion, centralized gas supply, energy management
  • B. Home use, commercial use
  • C. Oil and gas, construction, logistics
  • D. Manufacturing, oil and gas, construction
    Answer: A. Permanent magnet frequency conversion, centralized gas supply, energy management
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