欧美亚洲一区二区三区,2021国产三级精品三级在专区,久久久精品一区,美女福利视频一区二区,精品综合一区二区三区,一区二区三区久久精品,久久一区二区精品综合

EN
搜索

新聞中心

新聞中心

Ad Co., Ltd. Newly Built With an Annual Output of 50,000 Tons of High-performance Pipeline Construction Project Workshop Sixteen

發(fā)布時(shí)間:2024-05-01  瀏覽次數(shù): 921

the area is about 10,185 square meters, with a single span of 72 meters.The steel frame column three-pipe, truss beam structure is adopted, and the spatial intersecting plane steel pipe truss structure system. The truss joints are welded joints that directly intersect between the steel pipes. The main roof trusses are composed of triangular truss structures, and the secondary trusses are composed of monolithic trusses.