发布时间:2025-01-31 20:39:12
预埋孔用细碎石混凝土。根据相关资料查询设备预埋孔基础地脚螺栓预留孔灌浆宜采用细碎石混凝土,其强度应比基础或地坪的混凝土强度高一等级。
地砖干铺后多久可以检查有无空鼓 地砖铺贴后多长时间可以检查空鼓
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