发布时间:2025-01-19 20:41:22
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。
32w的led平板灯用于大办公室装修1000平米左右需要多少灯才合适急寻答案谢谢
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