透とう水すい性せい

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Meanings

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permeability; water permeability

Technical term used in geology, civil engineering, and materials science to describe how easily water passes through a substance.

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This soil has high permeability, so it drains well.

透とう水すい性せい舗ほ装そうは雨う水すいを地ち下かに浸しん透とうさせる。

Permeable pavement allows rainwater to infiltrate into the ground.