发布时间:2025-01-24 22:49:26
不能。地砖垫层都是用的水泥砂浆,并且标号都很高,凝固时间很短,48小时已经凝固了,是不能再用了。地砖是一种地面装饰材料,也叫地板砖,用黏土烧制而成,规格多种。
我家卧室灯嗡嗡的响,刚开灯不响,大约过3分钟就嗡嗡的响,是怎么回事
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