1) two-stage cycle
双级循环
3) bidirectional circulation graduation
双向循环分级
4) double-dipleg circulating fluidized bed
双级料腿循环流化床
1.
Experiments were carried out in a lab-scale double-dipleg circulating fluidized bed (DDCFB) to study effects of experiment conditions on re-circulating rate and pressure balance.
结果表明:在双级料腿循环流化床中,与常规的循环流化床相比,循环流率的规律没有发生变化。
5) trans-critical two-stage refrigeration cycle
跨临界双级制冷循环
6) Two-stage compression refrigeration cycle
双级压缩制冷循环
补充资料：循环系统的进化鱼的循环系统
李瑞端绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条