更多impaction例句

1. (i) Sudden laryngeal obstruction due to impaction of food or other foreign body.
2. There is sudden pain at the site of impaction of the embolus, and the pulses beyond are lost.
3. They never give rise to the classical symptoms associated with impaction of a loose body between the articular surfaces.
4. In some cases there is impaction, and in others comminution of the fragments.
5. The site of the impaction is always in the small intestines.