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For different varieties and seasons, there are different requirements for the degree of heat preservation for refrigerated trucks, and each refrigerated tru.......

On December 5th, GM's Executive Vice President and Cadillac President John De Nie appeared at the GM China Forward Technology Center in Shanghai. This was his first visit to China after the Cadillac brand and communicated with the media. Also attending the communication meeting w.......

The role of the valve is to isolate the equipment and piping systems, regulating the flow, to prevent back pressure, regulation and discharge pressure is the control element of the fluid pipeline system, the role is no different, so in the course of the usual need to pay attention to valve.......

A recent news has once again pushed the relationship between lighting and flora and fauna to the cusp: the global pollination process of insects is now facing new threats. The number of nights pollinating insects visiting flowers by urban lighting is reduced, and the number of plants is also gr.......

At 21:00 on August 8, 2017, a magnitude 7.0 earthquake occurred in Jiuzhaigou County, Aba Prefecture, Sichuan Province (33.20 degrees north latitude and 103.82 degrees east longitude), and the focal depth was 20 kilometers. Sichuan, Chongqing, Gansu, Shaanxi and other provinces and citie.......

License plate recognition system (Vehicle License Plate Recognition, VLPR) is an application in a computer video image recognition technique of vehicle license plate recognition. License plate recognition is widely used in the management of highway vehicles. .......

Magnetic pump failure treatment Jia Zhifeng magnetic pump often runs during the operation of the motor, the working current is normal, and the remote data transmission of the station control room shows no change in the oil density value. However, on-site manual sampling of oil samples can.......

The pump and motor industry is the first pillar industry in Wenling City. After 30 years of development, it has won the title of “China Pump Industry City” and “Capital of China's Small Air Compressor”, and it has formed a prominent industry of Wenling Pu.......