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介绍了利用ＳＺＤ液位显示控制仪表输出与被测水位对应的电流信号，采用变频器组成的一种简单的锅筒水位自动调节系统。
Introduced the use of SZD liquid level display control instrument output and the measured water level corresponding to the current signal, the inverter composed of a simple automatic adjustment of the drum water level.