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一、肥皂不宜久放：肥皂在潮湿的环境中会发生肥皂水解，如果气候过于干燥会使肥皂干裂，形成“泛碱”，即在肥皂表面上生成‘它霜”。这此都能降低肥皂的去污力和耐用程度。二、肥皂液不宜过浓：肥皂可降低水的表面张力，使泡进的衣服很快浸透并使衣服上的污垢变成小颗粒脱落?
First, the soap should not be put on for a long time: Soap in the humid environment will occur soap hydrolysis, if the climate is too dry will make the soap dry crack, the formation of “pan-alkali”, that is generated on the soap surface ’it cream. Of the detergency and durability. Second, the soap solution should not be too thick: soap can reduce the surface tension of water, soak into the clothes quickly so that the dirt on the clothes into small particles off?