The effect of wind cooling on microstructure and mechanical properties of nodular cast iron (QT450-10) was investigated.

研究了风冷热处理对低牌号球墨铸铁(QT 450 - 10)组织和性能的影响。

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Presents main reasons of the compressor damaged in winter by analyzing an accident of the wind cooling heat - pump unit. Gives some Suggestions for the user and the producer.

通过对一起风冷热泵机组压缩机损坏事故的分析，提出机组冬季损坏的主要原因，并提出一些意见和建议供用户和生产厂家参考。

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Faults: due to the drive air flows to the wind cooling, cooling effect is not obvious, especially the air temperature is higher, and in the summer, can only be strong seasonal use.

缺点：由于采用带动空气流动产生风来降温，降温效果不是很明显，特别是气温较高时，且季节性强，只能在夏季使用。

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The furnace in the basement, at a pitch below that of the wind, ignited and began, with a roar steadier than the wind, to reintroduce warmth into the cooling house.

NEWYORKER: Outage