亚洲aⅴ无码专区在线观看_精品福利网站_午夜影院c绿象_中文字幕十区_久久综合日本_久久网站免费视频

Welcome to Aigre?

more>>Industry Overview

News

Guinea-west Railway Intelligent Rail Welding Production Line Put into Operation
addtime:2024-06-26click:1000


微信圖片_20240715163354.png


On June 25,  at the track-laying base of the Port of Marébaya for the Guinea-Mali Railway Project, with the start of welding by intelligent fixed flash welding machines, Africa's first intelligent rail welding production line officially commenced operations within the Guinea-Mali Railway Project constructed by China Railway First Group Co., Ltd., a subsidiary of China Railway.

The railway from the Port of Marébaya in Guinea to the Simandou mining area is a supporting project for the transportation of ore extracted from the Simandou mining area by the Winning Consortium. With a total length of approximately 553 kilometers, it will be Guinea's longest modern railway upon completion. The MXTJ-01 section of the Guinea-Mali Railway Project constructed by China Railway First Group includes the prefabrication and erection of 1,710 T-beams, the laying of 289.14 kilometers of main line tracks, and the laying of 61.06 kilometers of station tracks. Approximately 24,000 joints need to be welded along the route. After the rail welding production line is put into operation, it will undertake the welding of about 22,000 joints, greatly reducing the amount of welding required at the construction site.


微信圖片_20240715163403.png


To meet the needs of mechanized track-laying construction for the Guinea-Mali Railway Project, the rail welding production line adopts China's advanced UN5-150G1 fixed flash welding machines, GDZH-120 rail heat treatment machines, RWCM-2500-A four-way straightening machines, and other automated tooling equipment and new technologies, achieving industrialization, intelligence, informatization, and greenization of rail welding, and enhancing welding quality and efficiency. This ensures high-quality tracks and smooth train operation after the laying of long rails, driving China's advanced rail welding equipment, technologies, and standards to go global.


微信圖片_20240715163406.png


It is reported that on the Guinea-Mali Railway, 25-meter standard rails will be welded into 300-meter long rails through the rail welding production line, and then mechanized long rail laying will be carried out using China's advanced new multi-functional long rail tractors. Compared to welding long rails on site, factory welding of long rails not only saves manpower and working hours but also reduces harmful soot emissions, effectively improving the efficiency of rail laying. 

Source: China Railway Corporation Limited

主站蜘蛛池模板: 青青青国产依人在线_亚洲国产无色码在线播放_男女好痛好深好爽视频_亚洲欧美一区在线观看_天天爽天天狠久久久综合麻豆_日韩人妻无码喷潮中出_亚洲大香线伊人婷婷五月_天天夜天天操 | 成人丝袜激情一区二区_久久久999久久久_性荡视频播放在线视频7777_理论片在线国产精品_欧美香蕉爽爽人人爽_夜色资源www.999_久久国产免费观看精品3_免费欧美在线 | 亚洲成本人无码薄码区_中日字幕大片在线播放_一级毛片免费播放_无码人妻H动漫中文字幕_亚洲黄色a_国产自在自线午夜精品视频_成人国产免费软件_日韩av一区二区三区四区 | 亚洲蜜芽在线精品一区_国产日韩欧美一区二区_狠狠躁夜夜躁av蜜臀少妇_黄色一级片免费在线观看_亚洲精品在线观看视频_亚洲毛片在线视频_国产精品久人妻精品老妇_日本在线视频免费 | 国产91精品插插插免费观看_亚洲国产久_狠狠躁躁夜夜躁波多野结依_自拍超碰在线_理论片在线_九九热精品视频在线_国产日韩在线看_亚洲综合色丁香婷婷六月图片 | 久久精品免费一区二区_97精品人人妻人人_av网址在线观看免费_成年免费视频播放网站推荐_国产猫咪精品久久天干天干_9999国产_中文字幕28页_日本免费高清一区二区 | 依人在线视频_亚洲精品久久久久久久_一本久久A精品一区二区_中国一级片在线播放_精品特级毛片_九九视频在线观看视频6_成年日韩免费大片黄在线观看_男人插女人的免费视频 | 538国产精品一区二区在线_大陆av在线播放_麻豆传媒一区_91精品国产一区二区三区_亚洲艳妇_男女猛烈啪啪无遮挡激烈下香_久热在线观看视频_www·377黄·com | 神马久草_国产美女精品福利一区二区_日韩亚洲一区二区三区_丁香激情综合_韩国91_国产97色在线_亚洲37p_欧美做受又硬又粗又大视频 | 免费在线观看av的网站_AV在线网址免费观看不卡_9色porny自拍视频一区二区_国产AV无码专区亚洲AV潘金链_亚洲永久av_综合久久国产_日本少妇毛茸茸高潮_亚洲色大成网站久久久 | 欧美一区二区三区久久综合_久久久精彩_国产视频精品区_爱爱免费看_日韩精品视频三区_国产成人精品高清久久_亚洲综合视频在线播放_日韩欧美中文字幕视频 | 人人妻人人妻人人片av_精品深夜福利视频_日韩一区二区在线观看_少妇高潮av久久久久久_一区二区的视频_换着玩人妻中文字幕_日本激情视频在线播放_www.99视频 | 中文字幕人妻三级中文无码视频_少妇9999九九九九在线观看_公和我在野外做好爽爱爱小说雨婷_无码H黄肉3D动漫在线观看_亚洲视频二区_日本又色又爽又黄的视频免_国产精品国产精品不卡_亚洲一区中文字幕在线观看 | 91成人免费_久久伊人国产精品_日日操狠狠操_麻豆91在线视频_欧美成人在线免费_97久久天天综合色天天综合色hd_国产色婷婷综合影一区二区三区_亚洲欧美综合国产不卡 | caoporm-超频在线视频_欧美欧美欧美欧美首页_国产精品18久久久久久首页狼_91丨porny丨_高潮av在线_一级空姐毛片_女教师の爆乳bd在线观看_丁香婷婷综合激情五月色 | jizzyou日本_国产色精品VR一区二区_亚洲av图片_久久久WWW成人免费毛片_成人午夜精品无码区久久_狠狠操她_国产一级片中文字幕_JAPANESEHD无码中文字幕 | 少妇把腿扒开让我舔18_午夜影院日韩_不卡无在线一区二区三区观_精品国产三级_日韩欧美精品在线观看_久久WWW免费人成人片_欧美黄色aaaa_久久福利视频一区 | 日韩精品一区二区三区蜜臀_欧美精品总汇_真实国产乱子伦对白视频不卡_久热中文在线_撕开奶罩疯狂揉吮奶头_成年人av在线免费观看_欧美成网_日本一级待黄大片 | 日本成片区免费久久_伦理久久_香蕉av久久一区二区三区_九九九九九九伊人_午夜精品成人一区二区_公和我做好爽添在厨房_日本色片视频_AV无码精品一区二区三区四区 | 国产专区亚洲精品无码_国产一级录像_18禁无遮挡无码啪啪网站_欧美人成片免费看视频_色哟哟亚洲精品一区二区_日本极品少妇videossexhd_亚洲精品在线免费看_在线观看一区 | 色网免费观看_成人无毒网_91亚洲国产成人久久精品麻豆_粉嫩metart女人下部_性爱免费视频_东京热人妻中文无码AV_午夜DJ国产精华日本无码_国语一区 | 一级毛片999_av人人揉揉资源站免费_久久精品av麻豆的观看方式_亚洲人午夜精品免费_中文字幕乱偷无码动漫av_少妇的肉体AA片免费_野花香影院在线观看视频免费_加山夏子av | 波多野结衣永久免费视频_夜夜操天天爽_天天爱天天色_在线观看成人毛片_a集毛片_色成人在线视频_97超碰在线资源_免费观看一区二区 | 国产电视伦理怡红院在线观看_9999精品免费视频_国产精品高潮呻吟av久久4虎_黄色成人在线播放_国产帅男男GAY网站视频_久久国产精品无码一区_青青草精品在线_亚洲欧美中日韩 | 成人毛片视频在线观看_国产精品自在在线免费_快播看片毛网站_亚洲成a人片777777久久_人与人一级毛片_日本波多野结衣在线_超碰人人擦_日韩欧美久久久久久久999按摩 | 日韩免费区_精品国产AV色一区二区深夜久久_av边做边流奶水无码免费_欧洲黄色级黄色99片_国产a网站_免费久久一级欧美_97碰碰碰人妻无码视频_三级黄色性生活视频 | 99情趣网视频_欧美日韩久久精品_久久99精品久久久秒播软件优势_逼逼影视_女人被狂躁的高潮免费视频_亚洲欧洲日韩在线观看_国产xxxx69_亚洲国产精品一区二区第一页 | 国产精品九九九九九_精品久久久久久久久久ntr影视_中文字幕一区av_狼人久久乐_无码乱码av天堂一区二区_免费观看成人毛片a片2008_日韩有码在线观看_伊人久久精品无码二区麻豆 | 久久久久久综合岛国免费观看_精品国产乱码久久久软件使用方法_wwwwww日本_一边摸一边桶一边脱免费视频_黄色三级视屏_在线网址91_欧美成人乱码一二三四区_欧美一级无毛 | 青青草免费观看视频_久久精品国产99国产精2020新增功能_亚洲精品无码久久久久秋霞_免费看黄网站在线观看_国产亚洲综合精品_亚洲永久在线观看_日韩av片永久免费网站_www亚洲精品少妇裸乳一区二区 | 久久人人爽天天玩人人妻精品_专干日本老妇HD_国产精品xxx视频_黄色片免费_国产精品一区二区福利视频_免费精品一区二区三区第35_国产精品色吧国产精品_老美黑人狂躁亚洲女 | 欧美激情一区在线_日韩毛片一二三区_国产n老影院视频_模特三点尽露私拍在线_av在线免费资源_欧美成αⅴ人在线视频_丁香婷婷深爱五月亚洲综合_亚洲私人无码综合久久网 | 91天堂国产在线_中文字幕日日_日韩欧精品无码三级片_成人夜间福利_无码专区天天躁天天躁在线_在线观看青青草_精品一区精品二区_亚洲美女视频一区二区 | 亚洲高清不卡一区_91亚洲精品国产_四虎精品久久_男男无码GV片在线看_亚洲卡通欧美制服中文_伊人久久久AV老熟妇色_国产91影院_老汉影院免费观看 | 美女视频黄频A免费高清不卡_窝窝人体色www_国产A∨天天免费观看美女_极品美女Aⅴ在线观看_操操操.com_亚洲日本区_亚洲精品一区二区三区樱花_国产AV仑乱内谢 | 色情久久久AV熟女人妻网站_亚洲调教色xxxxx亚洲_日本理论在线播放_国产黄色大片在线观看_99色在线观看_人妻精油按摩BD高清中文字幕_北条麻妃在线播放_手机在线黄色网址 | 超碰碰97_亚洲AV无码乱码国产一区二区_手机在线看片福利_狠狠婷婷综合_欧美精品一区二区三区手机在线_国产老熟女久久久_美国人成人在线视频_欧美四级在线观看 | 高清无码中字在线一区二区_免费无码国产V片在线观看_久操免费在线观看_精品久久久久久久久久香蕉_欧美三级毛片_爱情不设限在线观看_想看一级毛片_国产黄色视 | 国产清纯白嫩初高生在线播放视频_雨宫琴音av一区在线播放_午夜影院在线观看视频_黄色动漫视频在线观看_亚洲精品88p_极品少妇xxxx精品少妇_欧洲一区二区在线_久久久蜜桃精品 | 在线观看免费av网址大全_天天色天天看_裸体无码内射性性色AV_人牛交VIDE欧美XXXX_日韩在线黄色片_边做边流奶水的人妻_91人人精品_激情白浆 | 国产成A人亚洲精V品无码_在线观看色网_曰韩精品无码一区二区三区视频_18禁美女裸体网站无遮挡_九九免费精品视频_一区二区三区高清在线观看_免费国产视频_伊人久久大香线蕉AV不变影院 |