发布时间:2025-01-30 19:53:06
普通民房的结构构件,混凝土等级一般是C20或C25。采用32.5级或42.5级的水泥都行。两种级别的水泥价格不同,但用量上也不同,不一定32.5级的就肯定划得来,市场价格也有影响。 不过,建筑构造上有些面层抹灰是要求较高的,无论如何也要用到少部分42.5级的水泥。
家里房间不隔音昨天晚上我和媳妇恩爱的时候爸妈可能听见了怎么办呀
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