weak stratum plane 地层弱面
weak intercalated stratum 软弱夹层
weak watery stratum 富水软弱地层
weak permeable stratum 弱透水地层
This research plays an important guiding role and provides a significant reference value for tunnel construction in watery and weak stratum.
该成果对富水软弱地层隧道修建具有重要的指导作用和参考价值。
Parametersand steps of weak stratum testing are embodied, which establish stable foundation for testing in-situ and weak stratum's precision determinant.
并对软弱不良地层测试的参数设计、测试步骤等给出了具体的操作流程，为现场测试和软弱不良地层的准确判定奠定了坚实的基础。
Mukence watershed is located in the East Rift Valley and belongs to the Liji Mudstone area with more complex and unfavorable geologic conditions and weak stratum.
木坑溪集水区位于台东纵谷，为利吉层泥岩之代表地区，地质复杂，地层脆弱。
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