空调外机风扇的电机和风叶之间的固定螺钉松脱，这一故障的维修方法十分简单，只需重新将扇叶和电机之间的固定螺丝重新扭紧即可。
Fixed screw between air-conditioning fan motor and fan blades loose and maintenance method of this fault is very simple, only needs to be fixed between the screw blades and motor re tighten.
方法：骨盆前环外固定支架固定，骨盆后环经皮骶髂空心螺钉固定治疗骨盆骨折。
Methods: the fractured pelvis was fixed by external support at the anterior ring and percutaneous sacroiliac canulated screw at the posterior ring.
根据骨折类型，分别采取石膏或外固定架外固定、钢板螺钉或交锁髓内钉内固定等治疗。
According to the type of the fractures, these cases were treated with plaster, external fixation, plate and screws fixation or intramedullary interlocking nailing, respectively.
目的评价内锥及外锥形椎弓根螺钉固定的生物力学特点。
Objective To evaluate two types of pedicle screw fixation strength.
本文对13例胸腰椎骨折经椎弓根外固定治疗术后的50枚螺钉进行位置分析。
Postoperative ct examination of 13 patients with fractures of the thoracolumbar and lumbar spine were analyzed for the location of 50 screws of the transpedicular external fixation.
固定方法除钉子、螺钉、强力胶外，也可用吸盘、尼龙搭接带。
Fixing means can be nailing, screwing, adhering, and the artistic wall hook can also be fixed by a suction cup and a nylon attachment strap.
固定方法除钉子、螺钉、强力胶外，也可用吸盘、尼龙搭接带。
Fixing means can be nailing, screwing, adhering, and the artistic wall hook can also be fixed by a suction cup and a nylon attachment strap.
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