Copper and aluminum of the air conditioning heat exchanger are the important non-ferrous metal, and it is urgent to separate the copper and aluminum effectively at present.
空调热交换器中的铜与铝是重要的有色金属，有效地破拆并分离铜铝是我国现阶段迫切解决的问题之一。
2
Analyses and discussions were conducted of a non steady heat transfer model for the vertical embedded pipe of a geothermal heat exchanger.
对地热换热器竖直埋管的非稳态传热模型进行了分析讨论。
3
This reproduction method of the original cation exchanger often results in non qualified reproduction of the exchanger and high acid consumption.