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Construction and installation of steel canopy virtual simulation processes (renderings)1, 120 tons crawler crane platform canopy will complete the installation of steel columns2, the erection of the support frame, lifting the first string truss Pin3, lifting the second-Pin Truss - string, and connect with the ball intermediate node4, lifting the third string truss Pin5, lifting the fourth Pin truss string6, between the truss and install GZ27, lifting the fifth string truss Pin8, the installation sixth Pin truss string9, tie bars and rope hoisting truss structure between10, lifting lower Pin String Truss Structure11, when mounted to the seventh Pin truss string, remove the first set of truss support12, install eighth Pin truss string, remove the second set of truss support13, install the ninth Pin truss string, truss demolish the third group14. Similarly, the remaining string Truss completed15, complete roof structure system, for local cable force trimming, removal of the support frame16, steel platform canopy installation
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