Through dye check, X-ray test, and metallographic examination, quite a lot of cracks were found in the welds of a deaerator storage tank at the cogeneration plant of Shanghai Petrochemical Works.
上海石化总厂热电厂除氧器水箱，经着色探伤、x射线探伤、金相检验等方法检测后，发现焊缝有大量裂纹。
Through option calculation a simple and practical method is proposed, which is beneficial to technical economical analysis for cogeneration plants.
对此通过实例计算提出一种简便实用的计算方法，该方法有助于热电厂技术经济分析。
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