... 脆弱层 weak layer; weak stratum 软弱层 soft stratum; weak formation 十倍减弱层 tenth-value layer ...
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thin soft stratum 软弱下卧夹层
soft stratum roadbed 软土路基
shallow soft stratum 浅埋软弱围岩
soft stratum of abutment 坝肩软弱夹层
shallow-buried and soft stratum 浅埋松软地层
soft soil stratum 软土地层
soft clay stratum 软粘土层
soft rock stratum 软岩隧洞
soft ground stratum 软弱地层
The simplified mechanics model of soft stratum deformation is built up.
建立链子崖软弱层变形的简化力学模型。
The normal production of a mine may be seriously influenced because of low strength and poor cementation of loose surrounding rock of roadway in soft stratum.
由于软岩巷道围岩松散、 强度低、胶结程度差，已严重影响矿山的正常生产。
The vital problems to be solved in Shendong mine are the dynamic pressure damage of thin rock strata roof under thick sandy soil soft stratum and the loss of water and soil under mining.
浅埋煤层薄基岩厚砂土松散层顶板动压灾害和采动水土流失是神东矿区急需解决的重大问题之一。
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