常见例句雙語例句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.介紹了一種利用料鬭秤模擬橋式抓鬭卸船機給煤皮帶流量的方法，該方法基於PLC程序實現。 返回 feeder ship