According to ground bearing capacity of the ZhengZhou City zoning, urban construction site in ZhengZhou were classified into good, nether good, medium and inferior.

 
  • 依据地基承载力对郑州市区的天然土层进行分区,将郑州市区建筑场地划分为良好场地、较好场地、中等场地及较差场地四类。
今日热词
目录 附录 查词历史