布料起皱或有抽线、抽纱征象；
目的总结膜外“一针抽线”全层缝合法在儿童阑尾手术的临床应用效果。
Objective to investigate the application of a "single-layer, single-stitch suture" technique for appendectomy incision in child.
又是一拽，他惊喜地猛力一抽，然后把线收上来，捏紧鱼多刺的尾巴来敲在甲板上。
With an exultant yank he pulled in the line, grabbed the fish by its spiny tail and slammed it senseless against the deck.
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