短时间的视神经夹持不会引起视网膜的缺血损伤。
Short time clipping of optic nerves could not lead to ischemic injury of the retina.
现在，医务部门使用的整形镊子，在使用一段时间后往往出现夹持物体不牢的现象。
At present, the plastic forceps which are used in the medical department generate the phenomenon of unsteady object holding, after the plastic forceps are used for a period of time.
优点是结构简单、 安装牢固可靠，调整方便精确，节省时间，对中性能好，夹持轧件稳定。
The utility model has the advantage of brief structure, fast and reliable installation, convenient and accurate adjusting, time saving, good alignment capability and stable retaining the rolled piece.
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