发布时间:2025-01-29 13:58:40
不会变。散水又分为明散水和暗散水,改变散水混凝土标号是不会便变的,因为暗散水位于地下是将雨水排往建筑物外侧,防止雨水侵入建筑基础内上面盖上种植土,变成明散水只是不再盖上种植土裸露在外面,性质不变所以标号不会变。
防水的闭水试验做多久 闭水试验需要进行多长时间能判定防水性能
2025-01-29 13:58:40 2025-01-29 13:58:40 2025-01-29 13:58:40我是外地人在温州水心区这里租房电费一块三水六元一吨这是合规定的吗
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