(二)纵行切口纵行切口也称垂直切口(vertical incision)，是为了减小组织张力、更好地暴露术区，在水平切Vl的近中端或近、远中两端作纵行松弛切I21。
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垂直向松弛切口翻瓣术 [口腔] flap with vertical releasing incision
垂直小切口 Verticle mini-incision
垂直平铺一切窗口 Ctrl+T
如果对这些小块表面通量求和，就会看到，这些垂直切口积分了两次。
But, also, if you sum the flux through the surface of each little piece, well, you will see that you will be integrating twice over each of these vertical cuts.
等离子切割，由于融口上面大，下面小，切口断面总有一定斜度，不可能象火焰切割一样垂直，这是一世界性难题。
Plasma cutting, due to melt, the small mouth above, there is always a downward section incision, don't like probably as vertical flame cutting, this is a worldwide problem.
方法在切口部位，沿扩张区域局部轮廓切线的垂直方向切开，植入扩张器。
Methods in the area of incision, made a incision vertical to the tangent of local curve of expanding area, implanted the expander through this incision.
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