介绍了一种利用料斗秤模拟桥式抓斗卸船机给煤皮带流量的方法，该方法基于PLC程序实现。
This paper introduced a method of using hopper scale to simulate bridge-type grab ship unloaded by feeder belt flow. It is implemented based on PLC program.
转子秤是在水泥工业中对煤粉进行精确计量和输送的设备。
Rotor scale is a device used in cement industry for accurate measure and transport of powdery coal.
平底船煤英国旧时的秤煤用的单位，大约等于21。2长吨。
A British unit of weight formerly used for coal, equal to about21.2 long tons.
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