the condition of being pressed closely together and firmly fixed
a disorder in which feces are impacted in the lower colon
a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
a sharp collision produced by striking or dashing against something
例句
用作名词(n.)
Impaction of morselized bone graft in reparation and reconstruction of acetabulum and femur represented an attractive revision option.其中压紧颗粒骨移植是一种修复重建髋臼和股骨缺损的好方法。
