The operation mode needs operate with two hands, having the disadvantages of easy brain tissue losing, the irregular cutting edge of the pachymeninx and long time needed.
这种手术方式需双手操作，容易损失脑组织，硬脑膜切缘不整齐，需用时间长。
The operation mode needs operate with two hands, having the disadvantages of easy brain tissue losing, the irregular cutting edge of the pachymeninx and long time needed.
这种手术方式需双手操作，容易损失脑组织，硬脑膜切缘不整齐，需用时间长。
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