81.简答乙站办理到达复原解除区间闭塞后两站继电器及控制台状态？
["\u7b54\uff1a\u4e24\u7ad9\u90fd\u53ea\u6709\u95ed\u585e\u7ee7\u7535\u5668BSJ\u5438\u8d77\uff0c\u53d1\u8f66\u8868\u793a\u706fFBD\u548c\u63a5\u8f66\u8868\u793a\u706fJBD\u90fd\u706d\u706f\u3002\u95ed\u585e\u673a\u6062\u590d\u5b9a\u4f4d\uff0c \u533a\u95f4\u7a7a\u95f2\u3002"]