Valve opening and closing pieces are cylindrical piston design, when the valve is opened, the cylindrical piston will not be affected by the fluid blind force, the valve operating torque will be greatly reduced, the torque value of only conventional gate valve or butterfly valve One-third .......
The 2016 annual meeting of the World Economic Forum focused on the theme of “Controlling the Fourth Industrial Revolutionâ€. Which technologies will lead the fourth industrial revolution? Davos, the Swiss city of snow and ice, has many answers.
In the latest book "T.......
The best manifestation of plant water status is represented by water potential, which can also reflect the plant's demand for water to a certain extent. When the water potential of the plant tissue is low, it is the demand for water that is fed back to us. Therefore, in agric.......
Rainy days can be considered as a “roaming†for tanker trucks. Driving a tanker truck on rainy days is also more likely to cause vehicle breakdown. Therefore, tanke.......
Automobile tubing is the main transmission tool for transporting gasoline. When the car travels to a certain number of kilometers, we must regularly clean the tubing t.......
Mercedes-Benz cars slowly accelerating light, traveling in a roof mounted between the buildings of solar panels. Already mid-December, but this place is still warm at 1600 meters above sea level, two or three kilometers away in the mountains a little bit of snow embellishment. .......
In winter, because of the relatively cold temperatures, it is difficult to start up the bulk feed trucks under low temperature conditions. At low temperatures, the flow propert.......
High-speed sports machinery needs lubricating oil to help, just l.......
Oil tanker oil and gas recovery system uses: In the process of lo.......
In the process of using the concrete mixer truck, if the hydraulic system fails, the performance of the mixer truck will be greatly reduced. The old driver of the concrete mixe.......