安装和焊接金属部件或部分在一起，用于制造锅炉，容器，储罐，热交换器，管道和其他重金属产品。
Fit and weld metal parts or sections together to fabricate boilers, vessels, tanks, heat exchangers, piping and other heavy-metal products.
在被淹没的金属表面积累的海洋有机体沉淀物。污垢也指热交换器管子上积累的无机物沉淀物。
An accumulation of Marine organism deposits on a submerged metal surface. Fouling also refers to the accumulation of normally inorganic deposits on heat exchanger tubing.
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。
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.
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