Answer: Perform a series of tests to check the discharge pressure, capacity, and energy efficiency, and compare the results with the manufacturer’s specifications.
Answer: The main features include energy efficiency, low pressure operation, oil-free water lubrication, and high reliability.
A. Price and brand B. Performance, price and brand C. Market demand and technological development D. Production date and transportation method Answer: C. Market demand and technological development
Answer: It uses water lubrication and does not produce any oil-related emissions.
A. Backwardness of energy-saving technology B. Advanced energy-saving technology C. Don’t pay attention to energy-saving technologies D. General answer to energy-saving technology: B. Advanced energy-saving technology
Answer: It is designed to be energy-efficient and environmentally friendly, with low energy consumption and zero emissions.