The combination of two kinds of feeding units,that the Venturi feeder is combined with continuous mechanical rotating feeder,can improve the inherent problems when they are respectively applied.

• 指出采用组合式供料器 ,即将文丘里式供料器与机械旋转式连续供料器组合使用 ,可以同时改善两者单独使用时存在的问题。