Inject physiological saline into the prepared cavity after the operation to support and fill in the prepared thyroid gland cavity.

甲状腺切除后的手术残腔内注入生理盐水若干，使残腔内得到支撑及充填。

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In Group B, the dentin-resin interface of conventionally prepared cavity showed the formation of the hybrid layer, funnel shaped resin tags and adhesive lateral branches.

组传统预备方法的树脂-牙本质界面可见混合层，圆锥型树脂突和侧枝连接的形成；

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Results:The buccal adhesive tablets of tetracaine prepared by CP and HPC(or HPMC)with 12 produced effect within 1~2min. The adhesive time in oral cavity was more than 3h, and above 10h at night.

结果：用CP与HPC（或HPMC）以12的比率制备的丁卡因口腔粘附片在1～2分钟内起效，口腔内的粘附时间大于3小时，夜间使用可达10小时以上。

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When crews prepared to drill the giant new cavity under Second Avenue, they first had to freeze the ground to about minus 20 degrees so as not to destabilize the buildings above as the boring machine cut through.

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