He was a design engineer for shell and tube heat exchangers and air-cooled heat exchangers for 23 years.

他是一个23年的设计工程师管壳式换热冷却热交换器的换热和空气。

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Heat exchangers - Refrigerant cooled liquid coolers - Test procedure for establishing the performance.

热交换器。制冷剂冷却的液体冷却器。性能确定的试验程序。

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This steam is then collected for use in other heat exchangers or discharged to the condensate return line.

这部分蒸汽会用于其他热交换器或者排放到凝结水回水管线中。

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It allows the creation of parts in shapes that conventional techniques cannot achieve, resulting in new, much more efficient designs in aircraft wings or heat exchangers, for example.

ECONOMIST: How a new manufacturing technology will change the world

Exchangers rarely involve lawyers in contracts, but the clubs do provide forms for each party to sign to make clear what the rights and responsibilities should be on both sides.

BBC: The rules of ��house swap club��