roof beam

短语词组

短语

• roof cross beam 车顶横梁
• roof and beam 顶板大梁
• roof rock beam 顶板岩梁
• roof bolts beam support 锚梁支护
• 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 铰接顶梁
• Metal roof beam [矿业]金属顶梁
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