发布时间:2025-01-20 15:49:26
18米跨度的话,高12米,建议柱子用成品H型钢,刚好是12米一根的,可以省点人工,你用方钢或圆钢等不保险,加上人工等也省不下多少。屋面最好也用H型钢,想省点就用圆管做个胡型的。最终还要看你这个厂房是否有行车,是否要天沟,做什么用途来定,还有开间是多少米来定价的。这些年天气异常建议还是建的保险些,遇上大雪什么的也放心点。
潜水艇防臭地漏芯多久更换 潜水艇地漏芯多久更换能解决防臭的问题
2025-01-20 15:49:262024年洗地机十大排名品牌洗地机销量排行榜前六名洗地机超值推荐款202406月
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