As the working medium of aircraft pneumatic systems, accumulator systems, landing gears and emergency systems, compressed air is more commonly used in the aviation industry, and the demand is also large. Compressed air mainly relies on air compressors in production. The VF-1.25/200 air compressor

Driving skills Chapter 1, the brakes do not step on the end of the P block - damage to the manual transmission of the car, the clutch does not step on the end of the mandatory gear will damage the transmission. When the automatic car half-steps on the brake and the brake light is on, the gear can

With the rapid development of various industries, the demand for refrigeration equipment is also getting higher and higher. The Freon refrigeration technology that is currently mainly used not only has high operating costs, but also has great damage to the ozone layer. The emergence of ammonia refri

Shanghai's new energy vehicle promotion and application is hot, and the number of cards in the first month of December 2015 exceeded the full year of 2014. According to the latest news from Shanghai New Energy Automobile Promotion Office, in 2015, Shanghai New Energy Vehicles promoted and appli

Although China's auto market maintained a certain growth trend in 2015, due to the macroeconomic situation and local restrictions and purchase restrictions, the lack of growth in the first and second markets has become the new normal, while the third and fourth grade markets have shown great vi

1 Proverbs In order to meet the needs of modern social, economic and military development, it is necessary to develop unmanned emergency and standby power stations. Microcomputer-monitored automated diesel generators are a good choice. The system developed by the author basically satisfies the fu

Study on the purification of metallic antimony by arc melting-vacuum distillation Core Tip: Because of its special electronic structure, high-purity germanium is widely used in electronic devices, memory alloys, and atomic energy. 1121. The purity of germanium prepared by the calcium-thermal redu