题目内容：
垫层厚度可按当地经验确定，一般宜大于或等于（ ）。
A．100mm B．125mm
C．150mm
D．200mm
参考答案：
答案解析：
单选题：垫层厚度可按当地经验确定，一般宜大于或等于（ ）。
- 题目分类：市政公用工程管理与实务
- 题目类型：单选题
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B．125mm
C．150mm
D．200mm
B．125mm
C．150mm
D．200mm
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