dislocation activity
位错活动
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Hydrogen enhanced the activity and multiplication of dislocation, so that initiation and propagation of the micro cracks were affected.
氢促进了位错的运行与增殖，从而影响裂纹的萌生与扩展。
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