激情内射日本一区二区三区-去干成人网-日韩精品久久无码中文字幕-日产精品久久久久久久性色

Today:
首頁 > English > News Gallery > Company Everts > Company News

The longest section of the main line of Qimen-Wuyuan Expressway is fully completed

Source:    Date:2022-08-18  

On August 6, with the last steel-mixed laminated beam of Qimen-Wuyuan Expressway Xinting Bridge falling steadily on the cover beam, the whole line of Qimen-Wuyuan Expressway A2 standard constructed by MBEC was successfully completed, and the project is scheduled to complete all construction tasks before the end of September this year.

A2 sectionof Qimen-Wuyuan expressway standard project is located in Wuyuan county, along the line with complex topography, mountain gullies, forest coverage rate of 83%, the project construction is difficult and environmental protection requirements are high. As the longest section of main line of Qimen-Wuyuan Expressway, A2 section standard of Qimen-Wuyuan Expressway is 16.14 km long, including 11 main line bridges, 6 interchange and connection bridges, 2 tunnels and 31 culverts. The 60-meter π-type steel-mixed laminated girder used in the project construction is the first of its kind in the country and sets a new record for the largest span of prefabricated steel-mixed laminated girder of domestic expressway.

up:

next:

主站蜘蛛池模板: 国语对白做受xxxxx在线中国| 国产无遮挡又黄又爽免费视频| 东北少妇不带套对白| 国产午夜影视大全免费观看| 国产成人av无码精品| 久久人妻内射无码一区三区| 色综合色狠狠天天综合色| 日本夜爽爽一区二区三区| 久久丫精品系列| 脱了老师内裤猛烈进入的软件| 天堂а在线最新版在线| 精品精品国产高清a毛片| 午夜免费电影| 国产精品成人久久电影| 狠狠爱无码一区二区三区 | 国产卡一卡二卡三乱码手机| 国产a国产片国产| 中文字幕日本最新乱码视频 | 日本道免费精品一区二区| 亚洲日韩精品一区二区三区| 男女交性配全过程无遮挡| 久久精品国产9久久综合| 国产成人av电影在线观看第一页| 国产欧美日韩专区发布| 女人扒开屁股爽桶30分钟| 中国内地毛片免费高清| 精品人妻中文无码av在线| 中文字幕在线亚洲精品| 天天做天天爱天天爽综合网| 欧美大片va欧美在线播放| 国产三级精品三级| 国产又黄又大又粗视频| 内射国产内射夫妻免费频道| 四虎影视成人永久免费观看视频| 荡女精品导航| 中文无码一区二区三区在线观看 | 青青草原综合久久大伊人| 亚洲乱亚洲乱妇| 国产精品自产拍在线观看| 久久精品动漫一区二区三区| 性欧美暴力猛交69hd|