A. 100
B. 300
C. 500
D. 800
Answer: D
Analysis: Coating defects caused by oil pollution can cause annual losses of more than 8 million yuan for a single production line, highlighting the importance of oil-free air compressors.
Answer: It uses a water-cooled system to maintain optimal operating temperatures.
A. Low pressure air compressor, medium pressure air compressor, high pressure air compressor B. Micro air compressor, small air compressor, medium air compressor C. Silent air compressor, portable air compressor, medical air compressor D. Piston air compressor, screw air compressor…
A. 1873 B. 1871 C. 1965 D. Answer in 2017: A. in 1873
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
A. Noise is loud B. Low efficiency C. Maintaining complex D. Low noise and high efficiency Answer: D. Low noise and high efficiency