The correct selection of the pump not only needs to think about the characteristic curve of the pump, but also the characteristic curve of the pipeline system. In this way, the selected pump will not be too large. When selecting the pump in detail, the following points should be noted: Use a h…

When driving vacuum cleaners are distinguished based on their mode of operation, they can be divided into two main types of use:

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Distinguish the sewage suction truck mainly depends on its tonnage, it is a variety of tonnage, 4 is a relatively small tonnage of the sewage suction vehicle, can often be se…

[China Instrument Network Instrumentation Industry] The most hot thing in the industry recently is the completion of the narrow-band IoT standard core protocol. Based on this, the market expects that the Internet of Things will become the biggest potential market to replace the Internet next ye…

Cheaper things can certainly cause more people to buy. When buying a sprinkler, consumers also want to know the price of cheap sprinklers and want to know the cheapest price …

China National Petroleum Corporation released the news that in mid-June, after 168 hours of initial stable operation, the petrochemical research institute independently developed catalytic cracking (FCC) flue gas SCR denitration catalyst PDN-102, in Qingyang Petrochemical Year 16…

In the summer, when the sun is fierce, people are thirsty and half dead. What's more, it is a plant that has been exposed to the sun for a long time. If the plant is expo…

Logistics transportation is one of the pillar industries of the national economy. Thousands of transportation companies and individuals make a living from it. Although China's logistics industry is currently very large …

Now buying a suitable refrigerated truck can be said to be much simpler. In particular, the prices and parameters of different types of vehicles can be seen directly through some bran…

Add 100, add 200, top up... Refueling your car is the most common thing that car owners do. But you don't know that, as the biggest expense for driving a car, there is a university to ask about refueling! Learned the fo…

If a family has two or more computers that need to share a network, it is very likely that they will need to use a switch to complete it. To set up a LAN, a switch is an indispensable device.

Switch connection method

There are three main ways to connect swit…