weak rock

短语词组

短語

• Weak Surrounding Rock Tunnels 軟巖隧道
• weak -rock 軟巖
• buried weak surrounding rock 淺埋軟弱圍巖
• weak wall rock 軟弱圍巖
• weak swelling rock 軟弱膨脹性
• weak tectonic rock zone 搆造軟弱巖帶
• Weak Metamorphic Rock 弱變質巖
• weak country rock 軟巖
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