高龄高危高难度
high-risk and elderly patient
高危高龄
dangerous and older patients
采空区危害
The harmful of mined out area
气象灾害危害
Meteorological disasters classification
危害区划
regionalization of dangerous districts
危害区域
harmful region of accident
大连开发区金石小区A区3号地块动迁住宅区
Zone A3# removement Residential Area in Jinshi Res
小区小麦联合收获机
district wheat combine harvester