A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.
提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹的“高K比法”。
期纹裂A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.
提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹的“高K比法”。
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