The Secrets of the Wing: The Sturdy Structure That Supports Nearly 100 Tons of Fuel
The Secrets of the Wing: The Sturdy Structure That Supports Nearly 100 Tons of FuelAn airplane's wing isn't just a pair of wings that help the plane take off; it's also the plane's fuel tank. You might wonder, with such immense pressure - nearly 100 tons of fuel pressing down on the wing - wouldn't it cause the wing to deform or even crash? The answer is: no...
After 17 years of construction, the Three Gorges Dam has accumulated 1.8 billion tons of sediment. What will be the ultimate consequences?
According to calculations, the average annual sediment inflow of the Three Gorges Reservoir is500 million tonsAround, that's already built17 yearsIsn't the Three Gorges already silted up and silted up8500 million tons.What are the consequences of so much sediment accumulation, and how does the Three Gorges Reservoir remove sediment?Consequences of Three Gorges SiltationSince the planning of the Three Gorges Dam, there have been mixed reviews and criticisms, with water conservancy experts being the most concerned among themProfessor Huang WanliObjection, heOppose the construction of the Sanmenxia Dam and the Three Gorges Dam...