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在耐磨、耐热堆焊焊条中，通过加入不同量的稀土元素钇，较系统的研究稀土元素钇对堆焊层组织和性能的影响。
In the wear-resistant, heat-resistant surfacing electrode, by adding different amounts of rare earth elements yttrium, a more systematic study of yttrium on the overlay structure and properties.