Bogie for subway train I. Core Technological Needs: Basic safety is the only real Criterion Bogie frame castings are not standard Forged iron components. They bear your entire pounds of the automobile human body and travellers and repeatedly endure various impacts and vibrations in the monitor. Their specialized demands revolve https://www.bondhuplus.com/post/954416_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html