... 抓斗式起重机：clamshell crane 抓斗式泥舱：grab hopper 抓钉加压工具：forcer ...
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grab hopper dredger 抓斗挖泥船
self-propelled grab hopper dredger 自航抓斗挖泥船
silt grab hopper 淤泥抓斗车
grab hopper dredge 抓斗式自航挖泥船
propelled grab hopper dredger 自航抓斗挖泥船
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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.
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。
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