pin tract infection 针孔感染
High compressive stress was observed near the inlet of pin tract in both groups, but even higher one under the active loading condition.
两种载荷方式钉孔处存在较高的压应力，但主动载荷时应力更高。
At present, the phenomenon of axial desquamation for an individual ejector pin plate or an annular cutter can occurs in a disposable digestive tract anastomat component.
目前，一次性使用的消化道吻合器组件，会发生个别推钉片或环形切刀轴向脱落的现象。
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