With the continuous changes of the times, the campus broadcasting system has become more and more mature, from the high-pitched noise of the early large-horn speakers to ten to ten; to the current point-to-point addressable system or multi-campus Connected networked broadcasting system. The campus

Animal epidemic prevention inspection and testing vehicle_bird flu testing vehicle_Ford V348 rapid inspection vehicle manufacturer where to improve and improve China's entry-exit inspection and quarantine standard system to timely revise entry-exit inspection and qu

Grass "intoxicated with poison" can fight cancer? Do not be silly! Some people were not able to fight cancer, but they were almost killed by a quote. The 35-year-old Lin was diagnosed with lung cancer in June this year and found it too l

With the continuous development of society, the city’s transportation resources are increasingly strained, and the progress of intelligent network-connected technologies covering communication and Internet of Things technology provides good conditions for the development of urban transporta

Metallurgical slag refers to a variety of metallurgical industrial solid waste generated in the process. Mainly refers to the high iron smelting furnace slag generated; slag; various non-ferrous metal smelting slag produced, such as copper slag, lead slag, dross, slag and other Ni; red mud and alumi

Due to the high precision, consistency, and aesthetic appearance of the molded products, molds have been increasingly used in the manufacture of structures and interior parts for ships, high-speed trains, and other equipment. In addition, the production process can be realized, large quantities,

Recently, Shanghai’s largest taxi company and Shanghai Johnson & Johnson Taxi Co., Ltd. (hereinafter referred to as “Johnson Rent”), which has about 13,000 taxis, announced that it will accelerate the transformation of traditional parade taxis and actively develop Rent busine

     Precession vortex flowmeter can be widely used in petroleum, chemical, electric power, metallurgy, urban air supply and other industries to measure various gas flows. As the fluid enters the flow sensor, the guide vanes force the fluid into a violent vortex flow. When the fluid ent

As the key battle for the battle against pollution, the "Blue Sky Defence War" started in all parts of the country. In order to make the people more blue and happier, all districts and counties (cities) and relevant departments and units in Changsha have displayed "Li Jian"

HZD-B-III type electronic vibration switch Vibration monitoring is the means of early warning of the machine, because the failure of the auxiliary machine is mostly reflected in the increase of vibration. The electronic vibration switch can monitor the abnormal vibration of the machine and predict

How to maintain a refrigerated truck - the choice of refrigerated trucks Do you know how to choose? First understand what you need to pay attention to in your daily life. 1. The refrigerated truck fuel or diesel supply must be sufficient to ensure that the

Hot summer temperatures are the peak season for cold chain transportation. For a friend who wants to buy a refrigerated truck or a warm car for a fresh business, it may be doubtful about the difference between a refrigerated truck and a refrigerated car. Le