roof beam

短语词组

短語

• 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]金屬頂梁
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