题目内容：
一．二级耐火等级多层建筑之间的防火间距为（ ） A．3m
B．4m
C．5m
D．6m
参考答案：
答案解析：
单选题：一．二级耐火等级多层建筑之间的防火间距为（ ）
- 题目分类：消防安全技术实务
- 题目类型：单选题
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一．二级耐火等级多层建筑之间的防火间距为（ ） A．3m
B．4m
C．5m
D．6m
一．二级耐火等级多层建筑之间的防火间距为（ ） A．3m
B．4m
C．5m
D．6m
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