例句 /

After a large defect in the lower extremity is bridged by dual grafts, protection from full weight bearing is necessary for a long time.

After a large defect in the lower extremity is bridged by dual grafts, protection from full weight bearing is necessary for a long time.

采用双侧植骨桥接下肢大的骨缺损后,必须长时间避免完全负重。