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灰垢

网络ash fouling

灰垢

灰垢

ash fouling

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1

A simple method that using ordinary water to wash the dirt on dowtherm boiler coil pipes and air preheater was introduced .

介绍热媒炉盘管和空气预热器用清水冲洗灰垢这一简易方法来提高热效率。

2

under canvas caps , shaded with dirt all over their figures.

头戴鸭舌帆布帽，满面灰垢浑身脏。

4

Measuring the ultrasonic attenuation coefficient of flyash scale in the transport pipeline

输灰管灰垢声衰减系数的测定

5

Research on Effective of Corrosion of Fused Ash

稀土添加剂对减缓灰垢腐蚀的作用研究

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