Since entering the volcano, sustained high temperatures, the ground surface temperature of up to fifty to sixty degrees Celsius in the afternoon, brought great discomfort to the people, but also brought a lot of safety hazards to the car. To this end, the Beijing Meteorological Bureau has.......
The effective sealing of the pump and motorized valve depends on the overall condition of the individual components. Special attention must be paid to the equipment that needs to be replaced before the packing is installed, in accordance with the site and the system. The following is used t.......
As the major oil-producing countries refused to cut production, the international oil price fell sharply to the lowest level since May 2009 since December 18th. On the fifth working day of the 44th round of valuation period after the implementation of the new mechani.......
Flotation is a method of separating the useful components and gangue minerals according to the difference in physicochemical properties of the mineral surface under the agitation and aeration.
The application of flotation sep.......
Since the second quarter, orders for wind power bearings from Wafang Group's leading domestic wind power industry and .......
Scientists have been conducting research on this high-level organization of ants, choosing the next queen from the way of building life rafts and flood colonization. New technologies help drive researchers' und.......
In the maintenance and repair of automobiles, we often worry about accidentally buying counterfeit and unsuitable accessories. So, how can we buy qualified accessories?
Maintenance and maintenance of optional auto parts eight items
1. See if the logo is complete. Authentic.......