av网站分享-国产色拍-国产蝌蚪视频在线观看-久久精品 一区-久久精品国产一区二区-亚洲一区二区三区亚洲-www.色网站-一本久中文视频-日韩欧美国产精品一区二区三区-日韩专区第一页-亚洲无码精品一区二区久久

Nigeria 4 storey office steel building

Steel Structure 4 Floor Office In Nigeria

Steel Structure 4 Floor Office In Nigeria have special design.The whole frame use for the steel structure.The main frame use the H beam ,wall frame use the keel steel to do.About the floor use for the floor decking steel sheet ,included the stairs.The whole installation time just use the 2 months.

Steel beam and steel column connection

a

steel frame picture

Wall installation

overall graph