试题与答案

混凝土梁、框构桥及桥台顶面可能被积水渗入的处所,均应铺设()。

题型:填空题

题目:

混凝土梁、框构桥及桥台顶面可能被积水渗入的处所,均应铺设()。

答案:

参考答案:防水层

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