发布时间:2025-02-01 16:16:34
夏天铁皮屋顶洒水可以降温3-5度左右。炎热的夏季在阳光的强烈照射下,铁皮表面温度能达50-70度。夏天铁皮屋顶洒点水,是可以起到很好的降温效果的。
钻孔灌注桩设计的桩底高程和桩顶高程那么测量员如何能测出实际钻孔深度才能达到设计孔底高程
2025-02-01 16:16:34 2025-02-01 16:16:34买的新房没装修也没住人管道井阀门也没开每年收百分之三十的供热费合理吗
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