高压水射流切割技术及在建材领域中的应用

High-presssure water spray cutting technique and its application in building materials field.

本文介绍了高压水切割原理，机构组成，加工非金属材料的工艺参数及在建材领域中的应用。

The demarcated problem of large-scale ball mill is analyzed by this article according to the total target of techniques and economies in cement factories,as well as the determinative method on optimum diameter of ball mill,namely,it is the confining graph about target of techniques and economies,is put forward suitable for today level of productive forces.