水垢,水锈
The key to improve the quality and the sales volume of air-pressure thermoses is to solve the problem of water containing incrustation scale.
解决出水含垢问题是当今提高气压保温瓶质量和销售量的关键。
The temperature distribution of the tuyere as well as the influence of impurity and incrustation scale on the temperature field of the tuyere were investigated using numerical simulation method.
为此,用计算机模拟的方法研究了高炉风口的温度分布及杂质含量和水垢对水冷铜风口温度场的影响。
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