A. lower cost
B. simple maintenance
C. Pure compressed air
D. wide application range
Answer: C
Analysis: The advantages of oil injection air compressor include low cost, simple maintenance and wide application range, but the compressed air oil content is high, not its advantages.
A. Small flow B. Low power C. Not suitable for occasions with small gas volume and too high pressure ratio D. Complex structure answer: C. Not suitable for occasions with small gas volume and too high pressure ratio
A. General Certification B. Medical certification C. Industrial certification D. No certification required answer: B. Medical certification
Answer: The GWL Series compressor can use either air-cooling or water-cooling methods, depending on the model and operating conditions.
A. Noise is loud B. Low efficiency C. Maintaining complex D. Low noise and high efficiency Answer: D. Low noise and high efficiency
A.≤0.1μm B.≤0.01μm C.≤1μm D.≤10μm Answer: B Analysis: Automotive-grade compressed air needs to meet the strict requirements of dust content ≤0.01μm to ensure the production environment…