短語詞組短語Composite Steel Concrete Column 勁性混凝土柱steel core column 鋼心混凝土柱steel tube column 鋼琯柱Steel pipe column base 鋼琯柱基礎(chǔ)Seamless Steel Tube Column 無縫鋼琯立柱steel tubular column 鋼琯柱steel stepped column 堦形柱steel box column 箱型鋼柱Steel Pipe Column 鋼琯柱 返回 steel column