A. Annex A
B. Annex C
C. Annex D
D. Annex E
Answer: B
parsing: The exhaust volume standard corresponds to ISO 1217 Annex C.
A. Gas separation and storage B. Home use of C. Commercial places use D. Agricultural production uses answer: A. Gas separation and storage
A. Home use B. Commercial places use C. D. Agricultural production use answer: C. Industrial use
A. Increase noise B. Reduce efficiency C. Intelligent and energy-saving D. Reduce maintenance Answer: C. Intelligent and energy-saving
Answer: It uses water as the lubricant, eliminating the need for oil and reducing the risk of contamination.
A. 0.5-0.6 B. 0.7-0.85 C. 0.9-1.0 D. 1.1-1.2 Answer: B Analysis: When selecting the model, it needs to be multiplied by an efficiency factor of 0.7-0.85.