裁缝的手指上有个针扎的孔。
这种薄膜与现有的吹塑成型的高填充拉伸pe膜和机械扎孔膜，在形成微孔原理上、工艺控制上和使用性能上有着显著区别。
Compare with current high filling blow film of PE and machine penetrating hole film, it has remarkable difference in principle of forming micropore, process-control and use properties.
目的探讨三孔套扎法腹腔镜胆囊切除术（LC）的可行性和临床应用价值。
To evaluate the feasibility and clinical value of three - port - looping laparoscopic cholecystectomy (LC).
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