得益于葡萄牙债务的成功出售，减轻了风险回避，欧洲股票扭转早期的损失，华尔街也在其他的小批量交易中有所收获。

European shares reversed early losses and Wall Street gained in another low-volume session, helped by a successful Portuguese debt offering that eased risk aversion.

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在拉钩与托槽或带环上分别挂橡皮链或弹力线形成一组方向相反、力量相等的旋转力作用于扭转牙达到矫治。

Then tie power chain or elastic line on the hook and bracket (or band) to form two identical rotated strengths, but in opposite direction, to help correct torsiversion.

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结果：采用该方法矫治约3～4个月扭转牙得到矫治。

Result: The torsiversion can be corrected in about 3~4 months.

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