发布时间:2025-01-31 13:14:09
1/6-1/4内。为保证梁底方木安装方便,弧形梁模板弧长控制在1.2m1.5m左右为宜。,三铰拱或弧形轻型桁架,至于拱高,可在1/6-1/4内取值,南方防风,北方防雪。
住建部推行土建与装修工程一体化设计施工即一次装修到位其主要目的是
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