Reaction engines is focusing on a critical piece of technology called a heatexchanger, needed to rapidly cool the air before it can be used by the spaceplane's engines.
反应引擎部着力于一种称为热交换的关键技术，该技术需要快速冷却空气，在其可被空天飞机的引擎利用之前。
2
A triple tube heatexchanger is applicable to the food, chemistry industry to heat up or cool off the work medium combining transporting fluid.
三重套管换热器适用于食品、化学等行业冷却(加热)工作介质，并兼作输送管路。
3
Exchanger (heatexchanger) : it is applicable to cool the treatment fluid used to feed pump, it has to be used in the duty-cycle operation of treatment fluid.