运用均衡凝固理论解决燃气轮机壳体铸件的缩孔和缩松缺陷
운용균형응고이론해결연기륜궤각체주건적축공화축송결함
Solving the Defects of Shrinkage Cavity and Porosity by Proportional Solidification Theory on Gas Turbine Shell Castings
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