The use of vascular surgical materials and techniques can effectively control severe bleeding during operation.

用血管外科技术和材料处理术中大出血可能获得较好的止血效果。

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This paper also introduces 8 measures to reduce bleeding during operation, so as to make the operation field clear, avoid residue and recurrence.

本文还提出了减少术中出血的8种措施，力求手术视野清晰，防止残留和复发。

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The bleeding during operation has an important effect on operation time and thermal injury and needs to be controlled efficiently in further study.

手术过程中的出血对手术时间和热损伤有重要影响，在未来研究中必须加以有效控制。

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