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莱氏体
含碳4.3%的铁碳二元系合金于1148℃发生共晶转变所形成的奥氏体和碳化物(或渗碳体)的共晶体。钢铁材料基本显微组织中的组成相之一。一般用符号Ld表示。
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relevance feedback
relevance judgement
relevance logic
relevance measure
relevance,originality,impact creative guide
relevance ranking
relevant
relevant background information
relevant commutative algebra
relevant implication
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Relevant needs
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relexification
relexing waist and tightening buttocks
reliability
reliability acceptance test
reliability analysis
reliability appraisal of structure after fire
reliability assessment
reliability, availability and serviceability, RAS
reliability-based design method
reliability-based design optimization
reliability based maintenance /reliability centered maintenance
reliability block diagram
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