1, screw pump working principle and characteristics Screw pump is a single screw pump , its main working parts are eccentric screw spiral (known as the rotor) and the inner surface of the double helical screw bush (called stator). Its working principle is that when the motor drives the pump shaft
The eye-catching yellow car that we often travel back and forth through the streets of the city is the moving car of Ant Logistics. On August 9, 2012, the company got involved in the purchase of 60 vehicles equipped with Cummins ISF engines . The China Truck Network reporter had the privileg
Although there are many restrictive factors in the development of China's valve products, the market prospect of the valve industry in China in the future is very broad. During the economic crisis, the Asian valve market maintained a steady growth, especially the development of China&#
It is understood that at the end of March, a foreign-funded supermarket in Wuhan introduced a number of high-end bicycles, all of which are named after world-class luxury car brands such as Hummer, Lamborghini, and Ferrari. Prices range from 3,000 to 30,000 yuan, among which the most expen
The woman climbs on the bridge railing to skip the river only because her husband spends more than 20 yuan diesel generator | diesel generator price / 2012-09-07 My wife climbed the railing to skip the river just because her husband spent 20 more. The police sighed: There are many people wh
Recently, Jieke Bo announced on its official Weibo: The price of Jiekebo engine retarder on Dongfeng Tianlong has been lowered from 8,000 yuan/set to 6,000 yuan/set. Â Tianke dCi 11 engine mounted on the Jieke Bo brake Car driving safety has always been the focus of attention. The reduction of
[ Instrument Network Instrument R & D ] Recently, the Nano Regulation and Biomechanics Research Center of the Institute of Medical Technology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences has made new progress in the research of 2D-2D two-dimensional ultra-thin heter
At present, China's inorganic salt industry has basically formed an industrial production system supporting the development of the national economy. In addition to the chemical industry's own supporting services, inorganic fibers, inorganic antibacterial agents, power materials, conductive
On the afternoon of March 23, 2012, Comrade Jia Qinglin , Member of the Standing Committee of the Political Bureau of the CPC Central Committee and Chairman of the National Committee of the Chinese People's Political Consultative Conference, Jiang Yikang, Secretary of the Shandong Provin
China Yuchai International Group recently announced its unaudited financial report for the first quarter of this year. The report shows that its operating income and profits have declined in the first quarter. In the first quarter, Yuchai International’s net operating income was 3.7
On May 10, the General Administration of Customs announced the import and export of China's foreign trade in the first four months of this year. According to customs statistics, in the first four months of this year, China’s total value of imports and exports was US$116.718 billion, an