The paper introduces the position design of two-hole-one-side clamping apparatus, position error calculation and its features through examples.
通过实例介绍了两孔一面定位方式夹具的定位设计，定位误差计算及特点。
2
Objective:To explore the effects of out-cavity single-slip-knot technique in non-titanium clip two-hole method laparoscopic cholecystectomy(LC).
目的：探讨腔外单滑结技术在无钛夹二孔法腹腔镜胆囊切除术（LC）中的效果。
3
The author took the crack case of one of two-hole frame bridges in the Jingjiu Railway Line as an example to analyze the reasons of its crack and the danger of crack to the sa.