题目内容：
地面建筑防水层质量检验的蓄水试验时间，一般为（ ）。
A．1～2d B．3d
C．半天
D．5h
参考答案：
答案解析：
单选题：地面建筑防水层质量检验的蓄水试验时间，一般为（ ）。
- 题目分类：矿业工程
- 题目类型：单选题
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B．3d
C．半天
D．5h
B．3d
C．半天
D．5h
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