短語詞組短語simple support steel beam 簡支鋼梁simple supported steel beams 簡支鋼梁simple supported steel truss 簡支鋼桁架H -shaped simple supported steel beam 型簡支鋼梁Simple steel form carriage 簡易臺車Simple Steel or Stainless Steel 碳鋼或不鏽鋼simple steel formworks lining trolley 簡易襯砌臺車simple -supported steel plate beam 簡支鋼板梁simple t -stub steel connection 短t型鋼連接 返回 simple steel