roof beam
短語詞組
- roof cross beam 車頂橫梁
- roof and beam 頂板大梁
- roof rock beam 頂板巖梁
- roof bolts beam support 錨梁支護
- roof ring beam 屋面圈梁
- roof truss beam of painting 屋架大梁
- hoisting with roof -beam 梁吊法
- articulated roof beam 鉸接頂梁
- Metal roof beam [礦業(yè)]金屬頂梁 返回 roof beam