12月21日
冬至，又称“日短至”、“日南至”等，是反映太阳光直射运动的节气。坊间流传“冬至一阳生”的说法
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Beijing Hua Aixin Energy Saving Equipment Co., LTD. (Redwell) is committed to the field of heat exchange solutions, the products have been applied to HVAC, chemical, Marine, nuclear power, food, oil and other different working conditions, in the field of heat exchange occupies an important position.
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The importance of plate heat exchangers in the chemical industry
2019-03-26 16:17:08
Plate heat exchanger scale formation and measures