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| impregnation The forcing of a liquid substance into the spaces of a porous solid in order to change its properties, as the impregnation of wood with creosote to preserve its integrity against water damage; materials (对液体施压使其通过多孔固体的孔隙，从而改变固体的某些性能，如用木榴油浸渍过的木材可以免受水的侵蚀而保持自身的完整性。) | |||
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