矮林作业;
矮林( coppice的现在分词 );
The dynamic change process of the crack coppicing and extending on annealed Q& P steel was in-situ observed by SEM, and the micro-crack characteristic was studied.
采用扫描电镜(SEM)原位拉伸观察了Q&P钢退火组织断裂过程中裂纹萌生和扩展的动态变化过程,并对其微观断裂特征进行了研究。
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