A. 15
B. 30
C. 45
D. 60
Answer: C
Analysis: Through energy efficiency optimization, the 110kW model can save annual electricity bills by up to 450,000 yuan, directly reducing operating costs.
Answer: Follow the manufacturer’s instructions for pipe sizing, connections, and routing.
A. Annex A B. Annex C C. Annex D D. Annex E Answer: B Analysis: The exhaust volume standard corresponds to ISO 1217 Annex C.
A. Price and brand B. Performance, price and brand C. Input power and output power D. Production date and transportation method Answer: C. input power and output power
A. Food, drugs, electronics, chemicals B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Food, drugs, electronics, chemicals
A. Increase noise B. Reduce efficiency C. Intelligent and energy-saving D. Reduce maintenance Answer: C. Intelligent and energy-saving