闭环循环冷却水系统
closed circulate cooling water system
闭式循环空冷
closed-circuit air cooling
闭式循环空气透平
closed-circuit air turbine
多次循环塑性变形
repeated plastic deformation
多管真空循环脱气系统
multi-leg RH degassing vessel
二次循环硬化
secondary cyclic hardening
复合制冷循环空冷系统
combined refrigerating cycle air cooling system