In order to improve labour condition cmd save labour, a self-deposit -forn agent of refinement with perfect refinement effect, simple operation, and easy to popularize has been developed.

• 本文从改善劳动条件,减轻劳动强度出发,研制了一种精炼效果好、操作简便、易于推广的铝合金自沉式精炼剂。