运用均衡凝固技术解决12 000 kW发电机组D56型汽轮机缸体缺陷
운용균형응고기술해결12 000 kW발전궤조D56형기륜궤항체결함
Solving the Defects of the Cylinder of 12 000 kW D56 Type Gas Turbine Castings by the Proportional Solidification Technique
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