дл расширени operating пол ушна funnel has two symmetrical вьфеза 1, 2, the axis of symmetry which lie in a plane through the longitudinal проход щей os b 3 the vortex.the slit 1 вьшолней from nar
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机译:为了扩大耳漏的操作地板,它具有两个对称的形状1、2,对称轴位于通过纵向通过os b 3涡流的平面上。
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