Bogie for subway prepare I. Main Technological Needs: Basic safety is the only real Criterion Bogie frame castings will not be ordinary cast iron areas. They bear your complete excess weight in the car or truck system and travellers and continuously withstand different impacts and vibrations through the observe. Their https://socialcreditu.com/post/9248_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html