1.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。
2.Objective : To research into the method of curing epistaxis by obturating nasal cavity with PVF medical sponge and Vaseline gauze piece.
目的：探讨PVF医用海绵联合凡士林纱条鼻腔填塞治疗鼻出血的方法。
3.Influence of zinc- containing endodontic obturating pastes on maxillary sinus aspergillosis
氧化锌充填糊剂与霉菌性上颌窦炎的关系
4.dental root - canal obturating points
牙根管充填点