The heat exchanger is used during the condensing process . no scorching will occur during the condensing process 采用热交换器，交换能量，在浓缩过程中，绝对不会有烧焦现象。
2.
Soil quality - chemical methods - determination of effective cation exchange capacity and base saturation level using barium chloride solution 土质.化学方法.使用氯化钡溶液对有效阳离子交换能量和基本饱和级的测定
