centre segregation的用法和样例：
例句
- Causes of central segregation and protective measures are described.
论述了中心偏析产生的原因及防止措施。 - The mechanism and progress of soft reduction technology was introduced, the effect of the reduction on central segregation and solidified structure was analysed.
摘要介绍了轻压下技术的作用机理及工艺过程，分析了压下量对铸坯中心偏析及铸坯凝固组织的影响。
