由于增加了斜形卡环槽，使得筛管出入井顺利，作业也方便。
Because the inclined snap ring grooves are added, the screen pipe can enter and exit the well favorably and the operation is also convenient.
椎环、弹簧、弹簧座以及卡环，辅助密封圈有“O”形橡胶圈和PTFE楔形环，静环材料都为石墨(M106K)。
Vertebral ring, spring, spring seat and clasp, auxiliary seals have "o" shaped rubber ring and PTFE wedge ring, quiet ring for graphite materials (M106K).
结论：卡环固位的囊肿塞是大型牙源性囊肿袋形术后维持囊腔引流的一种较好装置。
Conclusion: The clasp retained cyst plug is a better drainage device for marsupialized large odontogenic cysts.
应用推荐