The paper introduces the application of hydraulic cyclones in tailing filling,grading,and prethickening.
介绍了水力旋流器在尾矿充填、分级、预浓缩
生产
用。
复数）
旋The paper introduces the application of hydraulic cyclones in tailing filling,grading,and prethickening.
介绍了水力旋流器在尾矿充填、分级、预浓缩生产用。
19世纪
观测员获知反旋区通常是天晴好地区，而在旋区内则有狂风降水发生且温度变化迅速。
Nineteenth-century observers learned that anticyclones are usually fair-weather areas,and that storminess,precipitation,and rapid temperature changes occur in cyclones.
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