Said marmot oil has good affinity with skin, its osmotic force is strong and its lubricity is good.

本发明的优点是旱獭油与皮肤亲和力好，渗透力强，润 滑性尤佳。特别适合作为中药渗透剂长期使用。

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Osmotic force is the tendency of a solvent to equalize concentration throughout its volume. This force is overcome by applying pressure to the paint passing through the ultrafilter.

渗透力是一个溶剂在其容积内浓度不断平衡的趋势。这个力靠施加压力使油漆通过超滤装置来克服。

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