针对具体的地质条件和研究对象，需选择合适的渗透系数测量方法。
In connection with specific geological conditions and study object, we need choose appropriate method to measure permeability coefficient.
针对具体的地质条件和研究对象，需选择合适的渗透系数测量方法。
In connection with specific geological conditions and study object, we need choose appropriate method to measure permeability coefficient.
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