短語(yǔ)詞組短語(yǔ)roof cross beam 車(chē)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(hù)roof ring beam 屋麪圈梁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 [鑛業(yè)]金屬頂梁 返回 roof beam