问题
问答题 简答题
导致过、再热器管超温的原因有哪些？
答案
参考答案：
设计中污染系数选用不当，受热面积设计过多每根管的平均流速较低；燃煤的品质下降，不能按设计煤种进煤；火焰倾斜或中心较高；管外高温腐蚀或管内结垢。
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导致过、再热器管超温的原因有哪些？
参考答案：
设计中污染系数选用不当，受热面积设计过多每根管的平均流速较低；燃煤的品质下降，不能按设计煤种进煤；火焰倾斜或中心较高；管外高温腐蚀或管内结垢。
. 每处错误及其修改均仅限一词；
got the car park, she found that someone stolen her car. So he rushed to the police station and told the police about it. However, next morning, the car was in its usual parking place in the car park. Inside the car is a note , “We are sorry that we stole your car. We really needed for an emergency trip to the hospital. Please accept these two tickets for Satur
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