ព័ត៌មាន

តើជនជាតិរ៉ូមបង្កើតបេតុងយ៉ាងដូចម្តេច

In the early days of Rome, the discovery of concrete technology was not something that many people would have considered significant. It was a new product that came to be produced through a process called fermentation, which involved breaking down clay or other materials into tiny particles. ទោះយ៉ាងណាក៏ដោយ, it wasn't until the development of陶en resins and casting methods that concrete was created.
អានបន្ថែម
ទំព័រមុខ ទូរស័ព្ទ ប្ដូរតាមបំណង ប្ដូរតាមបំណង ត្រឡប់ទៅកំពូល