Karstic ground subsidence, occurred in Huqiou-jiaoluo of Jiandou town, Anxi county, Fujian province, is a typical one caused by multi-factor.

 
  • 发生在福建省安溪县剑斗镇湖丘角落的岩溶地面塌陷,具有典型的多因素致塌的特点。
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