和龙市
- 网络Helong;helong city
和龙市-
和龙市泥石流灾害危险性分区评价
Risk zoning and evaluation of debris flow hazards in Helong City
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和龙市地质灾害分区与评价
Helong City Evaluation & Zoning of Geology Disaster
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和龙市地质灾害主要为泥石流，其次是崩滑灾害。北京市北山泥石流分布规律及形成过程
The landslide mainly distributed in Cretacic sandrock area in Helong city . THE DISTRIBUTION RULE AND FORMATIVE PROCESS OF MUDFLOW IN NORTHERN MOUNTAIN OF BEIJING