流场中具有绝对压强小于或等于汽化压强的区域是射流空化的必要条件；
The prerequisite for cavitation is that there exists an area in which absolute pressure is lower than or equal to vaporization pressure.
介绍了济南钢铁集团总公司第三炼钢厂转炉区域汽化冷却系统的组成、控制结构及操作模式。
This paper introduced the composition, the control structure and operation mode of the converter's boiler and cooling system in the 3rd Steelmaking Plant of Jinan Iorn and Steel Group Corporation.
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