题目内容：
中空注浆锚杆主要设在开挖断面的拱部及围岩较差地段的拱墙。×
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参考答案：
选择题：中空注浆锚杆主要设在开挖断面的拱部及围岩较差地段的拱墙。×√
- 题目分类：石家庄铁道大学隧道工程
- 题目类型：选择题
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