A. 5%
B. 11%
C. 20%
D. 30%
Answer: B
parsing: For every 1000 meters increase in altitude, air density drops by about 11%.
The GWL Series compressor is launched by [Company Name], a leading manufacturer of air compressors.
A. Food and beverage, pharmaceuticals, cigarettes, electricity, heavy industry, chemical fiber, manufacturing, automobiles, etc. B. Household use, commercial use, agricultural production use C. Oil and gas, construction, logistics, medical D. Manufacturing, oil…
Answer: The main features include energy efficiency, low pressure, oil-free operation, and water lubrication, providing pure compressed air suitable for industries with high air quality requirements.
A. Low level of protection B. High level of protection C. Low power D. High noise answer: B. high protection level
A. Price and brand B. Performance, price and brand C. Service quality and reputation D. Production date and transportation method Answer: C. Service quality and credibility