Methods Multi-central randomized blind controlled trials were used, and 180 cases were randomly divided into a rolling needle group and a medication group, 90 cases in each group.
方法：采用多中心随机盲法对照试验，180名患者随机分成滚针组和药物组各90例。
Bend needle mechanism and looper mechanism are two important mechanisms in blind stitching machine.
弯针机构与成圈叉机构是暗缝缝纫机的两个重要机构。
You have entered, you may not be obedient really, you saw, that window blind and the bedspread were my needle needle sew.
你进了，你可真不听话，你看到了吧，那窗帘和床罩都是我一针一针缝出来的。
You have entered, you may not be obedient really, you saw, that window blind and the bedspread were my needle needle sew.
你进了，你可真不听话，你看到了吧，那窗帘和床罩都是我一针一针缝出来的。
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