题目内容：
墙下单独基础的地梁跨度一般为（ ）m。
A．1～3 B．3～5
C．5～7
D．7～9
参考答案：
答案解析：
单选题：墙下单独基础的地梁跨度一般为（ ）m。
- 题目分类：矿业工程
- 题目类型：单选题
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B．3～5
C．5～7
D．7～9
B．3～5
C．5～7
D．7～9
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