Today, nearly 30 years later, SJE-Rhombus Controls has grown into a leading manufacturer of reliable, trouble-free liquid level controls for the water, wastewater and sewage industries.
近30年后的今天，已成长为制造可靠，无故障的水，污水和废水工业用的液位控制仪的领导公司。
For pouring cup iron level control system, three segment controls are adopted according to three mathematics model of the ideal liquid curve in pouring cup.
对于浇口杯液位实时控制系统，根据浇注过程中浇口杯理想液位曲线的三段数学模型采用分段控制的方法。
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