其它原因就是看看是否干燥不够或者在干燥料斗中存在漏斗流动- - -中心材料流动得快，而料斗壁附近的料静止不动。
Other causes to look for are insufficient drying or funnel flow inside the drying hopper-when material at the center flows quickly while material near the wall stagnates.
一般而言，加料斗是指用于传输物品的漏斗形状的装置。
In general, a funnel-shaped device used to transfer products.
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