TRB30-CT5m , round truss ,outside diamter 5m, 6*60 arcs (divided in 6pcs ,60 degree)

made from triangular bolt truss

TRB30-CT1.5m，outside diameter 1.5m, 2*180 arcs ( divided in 2pcs *180 degree)TRB30-CT2m，outside diameter 2m, 2*180 arcsTRB30-CT3m，outside diameter 3m , 3*120 arcsTRB30-CT4m，outside diameter 4m, 4*90 arcsTRB30-CT5m, outside diameter 5m 6*60 arcsTRB30-CT6m，outside diameter 6m, 6*60 arcs