Fig. 12 illustrates a timber doublepost roof truss.
图12所示为一个双柱木屋顶桁架。
2
FIG. 12 illustrates a timber doublepost roof truss. This type of truss is constructed where a wider span or a less restricted roof space is required.
图12所示为一个双柱木屋顶桁架。这种桁架主要建于跨度要求较大或屋顶空间限制较少的地方。
3
Experienced 16 hours of CASS standard test, the plating layer, based on doublepost-plating nickel layers, still preserves perfect decorative appearance and shows good property of anti-erosion.