预制安装水池在水泥砂浆保护层施工完毕后，应遮盖、保持湿润不少于()。A:28dB:7dC:1dD:14d

作者: rantiku 人气: - 评论: 0

问题预制安装水池在水泥砂浆保护层施工完毕后，应遮盖、保持湿润不少于()。

选项 A:28d B:7d C:1d D:14d

答案 D

解析

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