The KRD Bulk Drying system has been especially developed to dry products very gently and to achieve the best possible drying economy.

散料干燥系统对产品实行温和干燥，以实现干燥的最佳经济效益。

The formation of karst rocky desertification (KRD) is quite complex, but little related research for formation of KRD in Guizhou Province in historical period has been done in academic circles.

石漠化的形成是一个较为复杂的过程，但学术界对其历史时期的形成过程探讨较少。