发布时间:2025-01-19 02:32:16
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。
梦幻西游牧场管理员变造型庭院变了为什么牧场里面没变造型求大神帮助
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