... 非金属材料风管 nonmetallic duct 非金属材料换热器 non-metal heat exchanger 非金属材料检测仪 nonmetal material detector ...
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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。
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