A. 1873 B. 1871 C. 1965 D. Answer in 2017: A. in 1873
A. Price and brand B. Performance, price and brand C. Viscosity and quality of lubricating oil D. Production date and transportation method Answer: C. Viscosity and quality of lubricating oil
A. Increase assembly speed B. Extend tool life C. Reduce noise levels D. Reduce energy consumption Answer: B Analysis: Oil-free technology prevents oil mist from polluting high-precision pneumatic tools, thereby extending tool life to 1…
A. Noise is loud B. Low efficiency C. Maintaining complex D. Low noise and high efficiency Answer: D. Low noise and high efficiency
Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.