circulating vale,recycle valve是什么意思

用法例句

The control principle of recirculating valve for feedwater has been presented, and faults occurred in operation, such as severe vibration, comingoff of valve stem and core, wornout of sealing ring, leakagein of the valve etc.

介绍汽动给水泵再循环阀的控制原理及其在运行中出现的剧烈振动、阀杆及阀芯脱落、密封环磨损、阀门内漏等故障 ,并进行了分析 ,提出加强再循环阀的维护和提高其检修工艺质量及保持其工作在最佳工况的解决方

The experiment on resistance coefficient and full opening time of the natural circulation valve for the advanced research reactor;

先进研究堆自然循环阀阻力系数与开启时间的验证实验