1) old and dilapidated housing renewalareas
危改区
3) rebuilding of bridges
危桥改造
4) reconstruction of the dilapidated house
危房改建
5) dangerous dwelling building
危改住宅
6) practical renovation projects
危改实践
补充资料:HⅡ区和HⅠ区
见电离氢区和中性氢区。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条