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。
The principle of the foam pump pressure balanced proportioning unit is discussed in this thesis. The design method of it also be talked, and it's main parts are analyzed and researched.
阐述了泵入平衡压力式泡沫比例混合装置的工作原理，提出了该装置的设计方法，并对关键部件作了简要分析研究。
A deep analysis was conducted to the reasons for the wear of main oil pump thrust pad for nationalized 300mw unit and the solution methods for such problems were proposed.
对国产300 MW汽轮机主油泵推力瓦磨损的原因进行了较深入的分析，并提出了解决该问题的方案。
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