Practice has proved that the frequency conversion and constant pressure fuzzy control system has advanced technique and notable benefit? It has good application value and more research value.
实践证明：变频恒压模糊控制系统具有优越的技术性能和极其显著的经济效益，有很好的推广应用价值和进一步的研究价值。
A serial of roof sagging time and critical value, measured by field-monitoring, has provided basis for pressure control.
通过分析现场监测结果所划定的顶板下沉期及—系列临界值，为地压管理提供了依据。
Widely used for precise control of gases, liquids and other media of process parameters such as pressure, flow, temperature, liquid level maintained at a given value.
广泛应用于精确控制气体、液体等介质的工艺参数如压力、流量、温度、液位保持在给定值。
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