adj. impervious ; impermeable
不可渗透的粘土限制了水和黄腐酸的向下渗透，从而减少了化学风化和土壤灰化作用。
Impermeable clay limits downward percolation of water and fulvic acids, reducing chemical weathering and podzolization.
在某些优选实施方案中，该柔性石墨罩壳是流体不可渗透的。
In certain preferred embodiments, the flexible graphite shell is fluid impermeable.
结果表明，裂缝不可渗透的边界模型在一定条件下可以合理使用。
It is observed that the crack impermeable model can be used under some condition.
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