A. oil injection air compressor
B. oil free compressor
C. both can
D. unable to determine
Answer: B
Analysis: The semiconductor manufacturing industry has extremely high requirements for compressed air purity, so oil-free air compressors are usually selected.
Answer: It must meet strict standards for purity and reliability to ensure the quality of pharmaceutical products.
Answer: No, the GWL Series compressor has a reasonable structure and only generates rotational force during operation, without radial and axial forces.
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
Answer: First, check the fault indicator lights and alarm messages, and troubleshoot and handle according to the prompts. If the problem cannot be solved independently, contact professional maintenance personnel promptly.
A. Higher cost B. Limited scope of application C. Maintaining complex D. Compressed air has high oil content Answer: D analysis: The shortcomings of oil-free air compressors include high cost and limited scope of application, but low maintenance costs, compressed air…