不透水层

• impervious bed
• impermeable layer
• impermeable barrier
• watertight layer
• confiningbed
• impermeable seam
• impermeable stratum
• confining bed
• impervious course
• impervious stratum
• impervious horizon
• imperviouus bed
• impermeable bed
• confining stratum
• aquifuge
• confining layer

参考释义

不透水层

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