Two methods for measuring the height of liquid level in big steel vessels by ultrasonic are presented and a simple comparison of the two methods is also made.
介绍了利用超声波检测大的钢质容器内的液面高度的两种方法，并对这两种方法进行简单的比较。
This paper presents an example of fuzzy control of the liquid steel level.
本文以钢水液位控制系统为例提出了一种模糊控制方案。
The effect of all kinds of technique on controlling Nitrogen and Oxygen content in liquid steel to lower level is explained.
论述了各种不同工艺技术对控制钢中较低氮、氧含量水平的作用。
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