At the end of the procedure, the needle electrode will be removed and pressure will be applied to stop any bleeding and the opening in the skin is covered with a dressing.
在手术结束时，电极针将被撤离，同时敷料覆盖在皮肤的开口处并施加压力，防止术后出血。
2
The calomel electrode has a small pinhole opening or wick.
甘汞电板上有一个针孔或砂芯。
3
The second electrode includes opening for uncovering the electron emission region.