Answer: It adopts an efficient compressor design, optimized system control, and water lubrication technology to reduce energy consumption and improve efficiency.
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors do not need to replace lubricants and oil filters, so the maintenance cost is low.
A. The actual volume of compressed gas output by the air compressor per unit time B. Gas discharge capacity after considering efficiency loss C. Theoretical value of the geometric volume swept by the piston per unit time D. The value that needs to be converted to the standard state will answer…
A. Weight B. Light weight C. Large D. Small size and light weight Answer: D. Small size and light weight
A. Price and brand B. Performance, price and brand C. Market share and technological innovation D. Production date and transportation method Answer: C. Market share and technological innovation
A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston