A. Traditional models are more stable B. Environmentally friendly models are more stable C. Both have the same stability. Unable to compare the answer: B Analysis: Environmentally friendly oil-free air compressor adopts adsorption drying technology, and its dew point stability is-20℃±2℃,…
A. 1-3% B. 8-12% C. 15-25% D. 30-40% Answer: B Analysis: The gap leakage loss of the screw machine is 8-12%, and the reciprocating gap volume loss is even higher.
A. High energy consumption B. Low energy consumption and high efficiency C. Maintaining complex D. High noise answer: B. Low energy consumption and high efficiency
Answer: It includes regular inspections, changing the lubrication water, and cleaning the air filter.
A. Small market share B. Few product types C. Insufficient technological innovation D. Large market share and rich product categories Answer: D. Large market share and rich product variety