常見例句雙語例句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：探討螺旋形導針配合雙側(cè)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。 返回 pilot pin