发布时间:2025-01-31 11:54:41
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。
想装修可是我没有图纸 就是这个样子 南北旧房实际面积70多第一张是从外面开门拍的第二张是走
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