This paper reports the microsurgery using free forearm flap in the treatment of large postoperative scalp defect from scalp cancer in one patient.

本文报道应用显微外科技术，对一例头皮癌根治术后头皮大片缺损者，采用游离前臂皮瓣移植术，结果满意。

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A bona fide holder for value takes free from any defect in the title of his predecessors.

有价证券善持有人有受前手所有权缺陷的影响。

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The results indicate that defect free joints with excellent appearance could be acquired by continuous laser welding with flowing helium from top and back sides.

研究结果表明，连续激光氦气双面保护可以获得保护效果可靠、无缺陷、成型良好的焊接接头。

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