请说明道岔在定位、反位位置时，2DQJ、DBJ、FBJ的状态。
["\u9053\u5c94\u5728\u5b9a\u4f4d\uff0c2DQJ\u2191\u3001DBJ\u2191\u3001FBJ\u2193\uff0c\u9053\u5c94\u5728\u53cd\u4f4d\uff0c2DQJ\u2193\u3001DBJ\u2193\u3001FBJ\u2191\u3002"]
