Introduction In the transition process, it can be used to reduce the pressure rise, and in the event of an accident, the valve can discharge the water flow in the pressure pipeline. Control valve type According to the purpose and role, the main parameters, pressure, medium working tem
According to the data released by EV Sales, thanks to the outstanding performance of the US, Europe and especially the Chinese market, the global electric vehicle market hit a record high in December, delivering more than 170,000 units, an increase of 67% year-on-year; throughout the year 2017 Sal
On May 5, 2018, the "2017 Qingdao Annual Economic Achievement Award" ceremony, which is known as the "Oscar" of the Qingdao economic circle, was held grandly. It revealed the top ten economic figures for 2017 and the top ten economic events in Qingdao in 2017. Chuang Yong
The heap leaching process is a liquid-solid reaction which is not only related to the reaction rate inherent in the chemical reaction, but also follows the multiphase reaction law. The actual reaction rate of heap leaching often does not depend on the chemical reaction, but on the diffusion and mas
Belt deviation is a phenomenon coal mine belt in the work process most frequently encountered. The problem of belt deviation is said to be small or small. If the problem is not serious, the belt will be "affected by the injury", which will affect the normal production of the production li
Today's Chinese manufacturing has gradually gained the right to speak in various fields, even in some of the most sophisticated technologies. Chinese products have become a force that cannot be ignored. Domestically produced large aircraft, domestic aircraft carriers, high-speed railways, and
JAC dragging two wreckers> Brief introduction of the structure of Jianghuai dragging two wreckers First, the main structure and working principle: Â Â Â Â Â Â Â Â Â Â JAC JAC light truck wrecker series is based on two types of chas