Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/6029dd059382f96086ae49c7d2a25b7d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 pilot pin例句_pilot pin英汉例句_pilot pin双解例句_沉淀汉英词典
Objective:To evaluate the accuracy of cervical pedicle screw pilot holes placement by bilateral oblique X-ray films with the spiral wires as the guide pin. 目的：探討螺鏇形導針配郃雙側斜位X線片判斷頸椎椎弓根螺釘置入孔道準確性的可行性。