桁樑
高承载基座，采用铝质桁樑，并得以螺丝固定于基座头部。一般型基座，则采用镀铬方型管之桁樑以强化防震功能。
Stringers:
For heavy-duty pedestals,aluminum stringers are bolted firmly to their heads.Whereas,for general pedestals,chromiumplated square-shape steel stringers are used to enhance seismic loading performance. |
