发布时间:2025-01-19 02:27:12
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。
装修一年了还有异味怎么办并且是只有一个卧室其他卧室客厅等房间正常
2025-01-19 02:27:12 2025-01-19 02:27:12 2025-01-19 02:27:12 2025-01-19 02:27:12屋顶烟道出口是百叶风帽感觉排烟不是很顺畅掀掉后效果很好但是又不能防雨进去有没有好点的风帽推荐
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