干燥气候下，由于土壤水分的蒸发制冷作用，一天中土壤各点的温度低于湿润气候下相应各点的温度，土壤表层尤为明显。
Due to the effect of water evaporation in dry climate, soil temperature at each point is lower than that of in humid climate.
蜂蜜具有很好的保湿润泽滋润作用，回家后做1个蜂蜜面膜，能弥补1天流失的水份，润泽滋润肌肤。
Honey has a good moisturizing moisturizing effect, after coming home 1 honey facial mask, can make up for the 1 days of the loss of water, moisten skin moisture.
本文对煤层注水添加湿润剂的作用、效果、最佳浓度、对浮选的影响及湿润剂选择等问题进行了探讨，得出了相应的结论。
This paper discusses the function, effect, optimal concentration, its effect on floatation and selection of wetting agent for coal seam infusion.
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