污污网站精品在线播放-亚洲精品一二三四专区-男女猛烈激情XX00免费视频-操操操别急慢慢来逼逼视频-色婷婷综合久久久久中国一区二区-久久精品熟女亚洲av蜜臀-亚洲av成人午夜福利在线观看-久久亚洲精品国产精品尤物-99中文字幕国产精品

中文
Industries
Urban Rail Transit
Back

Urban Rail Transit:
Urban rail transit is globally recognized as "green transportation" with low energy consumption and little pollution, and it is of great significance for achieving the sustainable development of cities. JSTI is committed to the innovative development and technical support in the field of rail transit. It is involved in the research on the development strategic planning of urban rail transit, economic analysis, transportation statistics, energy conservation and emission reduction, engineering feasibility studies and post-evaluation, as well as research on network planning, passenger flow prediction, underground space development research, civil engineering design, test and inspection, and quality and safety consultation. Serving as the main lines and arteries of urban public transportation, it indirectly contributes its technology and wisdom to urban residents' travel, work, shopping and daily life, as well as to the construction of green, low-carbon and harmonious rail transit and the continuous improvement of the urban traffic environment.