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根据技术指标要求,按物理冶金学基本原理成功地选择了合金的类型,设计、研制了新型的镍基铸造K411合金.
According to the technical requirements, the type of alloy was successfully selected according to the basic principles of physical metallurgy, and a new type of nickel-base alloy K411 alloy was designed and developed.