av在线一_avtt亚洲_91干网_男操女免费看_国产精品羞答答_国产三级A三级三级

Welcome to Aigre?

more>>Industry Overview

News

Aigre Successfully Used in Sichuan-Tibet Railway
addtime:2020-04-17click:2132


On April 16, 2020, two 500m long rails were firmly welded together. The first welding was successfully completed in The Lalin section of Sichuan-Tibet Railway, which marked the start of the construction of welded rails for the whole seamless track.

Lalin Railway connects Lhasa and Nyingchi in Tibet, with a total length of 435.48 km and a design speed of 160 km/h. It is the first electrification railway under construction in Tibet.

The plateau flash rail welding machine and  IF normalizing machine  was created by Aigre Tech. and successfully applied to the construction of project of Sichuan-Tibet railway. The equipment to achieve the construction of seamless track in high cold and high altitude again.

Tonight, CCTV news will report on Lalin first Welding.




主站蜘蛛池模板: 亚洲国产欧美一区二区三区 | 精品国产欧美另类一区 | 亚洲欧洲毛片 | 又大又黄又粗高潮免费 | 色综合热无码热国产 | 狠狠躁夜夜躁人人爽天天天天97 | 亚洲成aⅴ人片久青草影院 国产一区二区三区中文 | yellow在线免费观看 | 日日干夜夜拍 | 中国熟女撒尿毛茸茸 | 91在线一区二区三区 | 日韩精品一区第一页 | 99re视频热这里只有精品7 | 无码专区—VA亚洲V天堂 | 成人国产影院 | 92国产精品午夜福利 | 色婷婷亚洲六月婷婷中文字幕 | 黄色激情视频网站 | 51午夜精品免费视频 | 奇米影视一区二区 | 欧韩av| 成人亚洲视频 | 日韩第一区 | 亚洲永久精品在线 | 人妻中文乱码在线网站 | 亚洲日韩欧洲乱码av夜夜摸 | 欧美日韩国产免费观看 | 9191在线观看 | 少妇xxx| 国产xxx精品视频大全 | 亚洲一区二区三区欧美 | 欧美黑人巨大精品一区二区 | 亚洲一级毛片色视频 | 亚州视频一区二区三区 | 一女被二男吃奶a片免费观看 | 亚洲综合视频网 | 国产精品久久久久久久久网站导航 | 亚洲午夜精品片久久www慈禧 | 亚洲一区二区制服在线 | 国产大片一区二区 | 久久亚洲A精品网站婷婷 |