The spray nozzle with doubledislocation, dripping ink density, print accuracy in an important breakthrough.
该喷头采用错位双排喷孔，滴墨密度大，是在打印精度上的一次重要突破。
2
Objective: To observe and measure the Sacro-iliac joint and correlative parts for clinical reference in Hemipelvic dislocation internal fixation by double head hollowed screw.
目的：通过骶髂关节及相关的解剖观测，为半盆脱位骶髂关节穿钉固定术提供临床应用依据。
3
ObjectiveTo assess the efficacy and results of cervical double door laminoplasty for the treatment of cervical spinal cord injury without radiographic spinal fracture and dislocation.