obturating ring 密封圈
obturating ring assembly 组合密封圈
obturating cup [军] 密封碗
obturating embolus 阻塞性栓子
obturating device [军] 紧塞装置
obturating band 闭气环
obturating system 闭气装置
non-obturating system 非封闭系统
plastic obturating ring 塑料闭气环
V to stop up (an opening, esp the breech of a gun) 锁闭
Moreover, the obturating ring can reliably seal the cylinder and the end cover.
且密封圈能将筒体和端盖可靠的密封。
The invention relates to a method for permanently obturating holes, especially in metal sheets or plastic parts of automobile bodies.
本发明涉及一种永久地封闭孔、尤其是封闭汽车车体的金属片或塑料 部件中的孔的方法。
Conclusion: it is simple, effective, less painful and easy to popularize to cure epistaxis by obturating nasal cavity with PVF medical sponge and Vaseline gauze piece.
结论：PVF医用海绵联合凡士林纱条鼻腔填塞是一种简便、有效、痛苦小、易于推广的鼻出血治疗方法。
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