The burners of boiler A were revamped from boat type to horizontal condense dilute type, the air preheater revamped from rotary to scrolled.
锅炉的燃烧器由船形改为水平浓淡形，空气预热器由回转式改为螺旋管式。
Critical rotary speed of the revamped driving shaft is also measured and analyzed.
并对改进后传动轴的临界转速进行了测定分析。
Critical rotary speed of the revamped driving shaft is also measured and analyzed.
并对改进后传动轴的临界转速进行了测定分析。
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