weak rock

短语词组

短语

• Weak Surrounding Rock Tunnels 软岩隧道
• weak -rock 软岩
• buried weak surrounding rock 浅埋软弱围岩
• weak wall rock 软弱围岩
• weak swelling rock 软弱膨胀性
• weak tectonic rock zone 构造软弱岩带
• Weak Metamorphic Rock 弱变质岩
• weak country rock 软岩
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