龙骨怎么固定在屋顶？ dragon bone should be fixed on the roof by a steel bracket or other metal support. The dragon bone should also be securely fastened to the structure of the b...
龙骨怎么固定在屋顶？
dragon bone should be fixed on the roof by a steel bracket or other metal support. The dragon bone should also be securely fastened to the structure of the building with appropriate screws and bolts. A professional will know best how to secure these bones in place for long-term stability.