China's first medium-low speed maglev line started operation in May 2016 in Changsha, Hunan Province, making China one of the first countries to master the technology.
【国内英语资讯:Trial operation of Beijings maglev line to start】相关文章:
最新
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15