Thanks to technical efforts, surface cracking of the round bloom is eliminated, which provides a good basis for producing quality seamless steel tubes in terms of material preparation.

通过技术攻关，解决了圆管坯的表面裂纹问题，为生产高质量的无缝钢管提供了优质的原料。

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Any surface cracking of the bloom will cause ser - ious quality problem.

管坯的表面裂纹会对无缝钢管的质量产生极坏的影响。

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Some measures to control the surface defect have been taken for ensuring the quality of bloom.

采取措施控制表面缺陷，保证铸坯质量。

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