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1 ?内部裂缝 ... incipient crack 初始裂缝,早期裂缝 internal crack 内部裂缝 live crack 活裂缝 ... 2 [力]?内裂 我用10倍放大镜一照,赫然发现钻石严重内裂(internal crack),是i 2到i 3的 女售货员自己看,当场把她吓得花容失色. 3 [材]?内部裂纹 ...据 Keywords: Concrete, Internal crack, 3D imaging, Volume rendering, Impact-echo 1. [gap=276]关键词：混凝土，内部裂纹，体积渲染，三维成像，影响回波1。 4 ?中间裂纹 水平连铸圆管坯中间裂纹的形成分析.doc 关键词：中间裂纹 水平连铸 圆管坯 [gap=501]Key word：Internal Crack, HCC, Tube Bloom
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The method and results of the study on formation condition for internal crack in continuous casting slab were reviewed. - 2
The internal crack of bloom is analyzed, and some improvement measures are put forward, which got some effect through the production. 本文分析了方坯低碳钢内部裂纹产生的原因，并提出了改善措施，通过生产实践取得了一定的效果。 - 3
The result reveals that the practical secondary cooling system is not suitable and easy to cause quality defects such as internal crack. 结果表明，目前的二冷制度不甚合理，易产生内裂纹等质量缺陷。
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