high weir spiral classifier

例句：

1. 1. The high weir spiral classifier is an important equipment for the coal preparation plant.
   高堰螺旋分选机是煤炭加工厂的重要设备。
2. 2. The high weir spiral classifier has a good separation effect on coal gangue.
   高堰螺旋分选机对煤矸石有很好的分离效果。
3. 3.The high weir spiral classifier is widely used in the coal preparation industry.
   高堰螺旋分选机在煤炭制备行业中得到了广泛应用。