At high hardness, therefore, the relationship between Brinell and Vickers or Rockwell scales is affected by the type of ball used.

因此，对于高硬度，布氏硬度计和维氏硬度计或洛氏硬度计的检测值之间的关系就会受到所采用的球体的影响。

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The invention has the advantages of lower cost, good treatment effect to water obstruction scales with high hardness and high silicon content and no secondary pollution to a film system.

本发明有益效果为：成本较低、对高硬度、高硅含量的水阻垢处理效果好、对膜系统不会造成二次污染。

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