lally column

英 美
  • 钢筋水泥圆柱
  • column n.栏;专栏;列;圆柱;柱;柱形物
  • lally n.[建]拉莱柱(中间浇注混凝土的钢圆柱)
Noun:
  1. support column consisting of a steel cylinder filled with concrete