您要查找的是不是：
- 区district
- Koch三角区triangle of Koch
- 膀胱三角区trigone of urinary bladder
- 工作区workaround
- 膀胱三角区炎trigonitis
- 区号district number
- 珠三角Pearl River Delta
- 学区school district
- 百慕大三角Bermuda Triangle
- 红灯区red-light district
- 小影像Koch三角及其房室结射频消融应注意的问题The Cautions of Radiofrequency Current Ablation of Atrioventricular Node for Patients With Small Imaging Koch Triangle
- 厂区factory; mill; plant; works
- 大区pergana
- 起源于Koch氏三角房性心动过速的电生理特征和射频导管消融Electrophysiologic characteristics and radiofrequency catheter ablation of atrial tachycardia originating from the triangle of Koch
- 明区hyalomere
- 湖区limnological region
- 港区dockland
- 图区image area
- 信息区information area
- 片区section; area
