New metro train does double duty
By Han Junhong in Changchun and Zhou Huiying |
chinadaily.com.cn |
Updated: 2022-08-10 15:58
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Because of the different power supply systems and vehicle limitations, metro trains usually cannot run on multiple lines. But the new one can.
The train uses noise analysis and control technology to provide passengers a more comfortable environment while also reducing the impact of vehicle operation on the line's exterior environment.
