发布时间:2025-01-19 20:14:33
一般浇完砼在三天后张能砌砖,如工程急第二天就能干,因为混凝土四小时就开始初凝,但要注意不要有大的振动。
我的一间酒吧英文名叫z 请各位给它取个中文名然后再给加上一段故事最好
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