<tt id="6hsgl"><pre id="6hsgl"><pre id="6hsgl"></pre></pre></tt>
          <nav id="6hsgl"><th id="6hsgl"></th></nav>
          国产免费网站看v片元遮挡,一亚洲一区二区中文字幕,波多野结衣一区二区免费视频,天天色综网,久久综合给合久久狠狠狠,男人的天堂av一二三区,午夜福利看片在线观看,亚洲中文字幕在线无码一区二区
          US EUROPE AFRICA ASIA 中文
          Business / Industries

          China's energy-saving subway goes into operation

          (Xinhua) Updated: 2016-08-12 13:50

          CHANGSHA - China's first permanent magnet subway train, which saves up to 30 percent energy compared with traditional trains, has gone into service in Central China's Hunan province.

          The subway train, in provincial capital Changsha, is equipped with a permanent magnet tractor system which has higher power density and is more power efficient, Zhuzhou CRRC Times Electric Co Ltd announced.

          The train was developed by Changsha Metro Group, CRRC Zhuzhou Locomotive Co Ltd, and Zhuzhou CRRC Times Electric Co Ltd.

          If used on all subways in Changsha, the system could save the city 5.5 million yuan ($830,000) of power cost every year, according to the announcement.

          International train maker Alstom and Bombardier have used permanent magnet tractor technology in Japan and France.

          Hot Topics

          Editor's Picks
          ...
          主站蜘蛛池模板: 日本边添边摸边做边爱喷水| 黄色一级片一区二区三区| 午夜在线不卡| 亚洲精品在线少妇内射| 精品超清无码视频在线观看| 亚洲av永久无码天堂网| 99久久精品国产熟女拳交| 2021国产在线视频| 韩国三级+mp4| 乱人伦中文视频在线| 熟妇与小伙子露脸对白| 中文字幕乱码一区二区免费| 天堂网av最新在线| 国产精品久久无中文字幕| 在线精品亚洲一区二区绿巨人| 极品少妇的粉嫩小泬看片| 久久国产精品77777| 资源在线观看视频一区二区| 伊人天天久大香线蕉av色| 亚洲精品乱码久久久久久自慰| 亚洲最大成人免费av| 2020国产免费久久精品99| 亚洲美免无码中文字幕在线| 国精品午夜福利视频不卡| 中文字幕一区二区久久综合| 口爆少妇在线视频免费观看| 四虎永久免费影库二三区| 国产国产乱老熟女视频网站97 | 亚洲中文字幕在线二页| 热99精品视频| 九九热在线视频免费观看| 性欧美巨大乳| 国产成人精品永久免费视频| 4480yy亚洲午夜私人影院剧情| 老熟妇仑乱换频一区二区| 国内少妇人妻偷人精品视频| 亚洲乱码一二三四区国产| 永久免费在线观看蜜桃视频 | 717午夜伦伦电影理论片| 芒果乱码一线二线三线新区| 另类 专区 欧美 制服|