题目内容：
石门揭煤施工煤层压力大于1MPa时，采用震动放炮。×
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参考答案：
选择题：石门揭煤施工煤层压力大于1MPa时，采用震动放炮。×√
- 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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In this passage the author argues that
In this passage the author argues that
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