国产剧情AV麻豆香蕉精品,国产女人A级毛片18视频,人妻丰满熟人熟妇av无码,久久99国产精品9床震网站

Construction and installation of steel structures virtual simulation process (Figure)

Construction and installation of steel canopy virtual simulation processes (renderings)
1, 120 tons crawler crane platform canopy will complete the installation of steel columns
2, the erection of the support frame, lifting the first string truss Pin
3, lifting the second-Pin Truss - string, and connect with the ball intermediate node
4, lifting the third string truss Pin
5, lifting the fourth Pin truss string
6, between the truss and install GZ2
7, lifting the fifth string truss Pin
8, the installation sixth Pin truss string
9, tie bars and rope hoisting truss structure between
10, lifting lower Pin String Truss Structure
11, when mounted to the seventh Pin truss string, remove the first set of truss support
12, install eighth Pin truss string, remove the second set of truss support
13, install the ninth Pin truss string, truss demolish the third group
14. Similarly, the remaining string Truss completed
15, complete roof structure system, for local cable force trimming, removal of the support frame
16, steel platform canopy installation