短语词组短語CT reinforced scan CT 增強掃描ct -scan 掃描ct axial scan ct 軸位掃描CT enhanced scan CT 增強掃描spiral ct enhanced scan 螺鏇ct增強掃描ct plain scan ct 平掃ct coronal scan 冠掃ct coronary scan ct 冠狀掃描spiral ct volume scan 螺鏇ct容積掃描 返回 CT scan