The practice showed that the improvement was successful in the design featured with long service life of zinc pot,low cost,less oil consumption,simple operation and easy control,a better technico-economical index was reached.

• 实践表明 ,这一改进的设计是成功的 ,制作的镀锌锅寿命长、成本低、耗油省、操作简单、控制方便 ,达到较高的经济指标