secondary rescue facilities

例句：

1. 1.The hospital has secondary rescue facilities in case of emergencies.
   医院有次级救援设施，以备不时之需。
2. 2. The fire department has secondary rescue facilities to assist the victims.
   消防部门有次级救援设施来帮助受害者。
3. 3. The school provides secondary rescue facilities for students during emergencies.
   学校在紧急情况下为学生提供次级救援设施。