Compressed air is not only a workmedium, but a kind of power source stored pressure energy.
提出压缩空气不仅可以作为工作介质，而且可以储存能量作为一种动力源。
2
A triple tube heat exchanger is applicable to the food, chemistry industry to heat up or cool off the workmedium 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
With CD40 lubricating oil as workmedium, under the engine cooling system work conditions, 21 geometrical schemes of stainless steel offset strip fins were studied.