A. color difference
B. Orange peel phenomenon
C. fish-eye defect
D. sagging
Answer: C
Analysis: Oil residue will cause “fish eye” defects on the surface of car paint, which seriously affects the coating quality.
Answer: The discharge capacity ranges from [A] to [B] m³/min.
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. Brand and model B. Color and appearance C. Production date D. Answer to transportation method: A. make and model
A. 15 B. 30 C. 45 D. 60 Answer: C Analysis: Through energy efficiency optimization, the 110kW model can save annual electricity bills of up to 450,000 yuan, directly reducing operating costs.
Answer: Common faults include high temperature, low pressure, and motor overload.