Abstract: In China's current valve market, high-pressure valves still need to rely on imports, except for low-pressure valves that have reached the international market's acceptable level. Under the continuous optimistic view of the macro-economy, most of the valve industry's p-----
As a new generation of positive displacement compressor, scroll compressor is widely used in air conditioner refrigeration, gas booster, vacuum pump and other fields because it has the irreplaceable superiority of the same type of compressor. The scroll compressor mainly consists of five parts-----
Introduction of 1Pro/E and secondary development tools Features of 1.1Pro/E system The most typical feature of Pro/E system is parameterization. Parameterization is mainly reflected in not only controlling the model with dimensional parameters, but also establishing mathematical relationships betwe-----
Recently, Sinopec approved the feasibility study report of 200,000 tons of caprolactam per year by Sinopec Hengyi Xiaoshan reported by Baling Petrochemical and the Sinopec Xiaoyi caprolactam joint venture project of Hengyi, agreeing that Baling Petrochemical represents Sinopec and Zhejiang Hengyi -----
1. The evolution of throttle 1. The birth of a carburetor The earliest meeting with the world was the carburetor, which is a device that creates a combustible mixture of fuel and air in a spark-ignited internal combustion engine. According to the requirements of different working conditions -----
Abstract: Recently, the Ministry of Industry and Information Technology website announced the "Circular of the State Council on Printing and Distributing the Comprehensive Work Program for Energy Conservation and Emission Reduction during the Twelfth Five-Year Plan." The issuance-----
CAD software provides a well-developed application development tool that enables high-level language interfaces to closely integrate UG's graphics functions with high-level language calculation functions, and realizes intelligent and automated drawing and logic judgments that are not avail-----