ZHANG Xiangheng
Yantai Ludong Survey and Mapping Co., Ltd., Shandong Province, Yantai Shandong 264004, China;Drilling Engineering Technology Research Center of Shandong Provincial Bureau of;Geology & Mineral Resources, Yantai Shandong 264004, ChinaWANG Zhen
China Ordnance Industry Survey & Geotechnical Institute Co., Ltd., Beijing 100053, ChinaCAO Fan
Drilling Engineering Technology Research Center of Shandong Provincial Bureau of;Geology & Mineral Resources, Yantai Shandong 264004, China;Shandong No.3 Exploration Institute of Geology and Mineral Resources, Yantai Shandong 264004, ChinaWANG Yanning
Drilling Engineering Technology Research Center of Shandong Provincial Bureau of;Geology & Mineral Resources, Yantai Shandong 264004, China;Shandong No.3 Exploration Institute of Geology and Mineral Resources, Yantai Shandong 264004, ChinaCHEN Bolin
Technology Innovation Center of Geohazards Automatic Ministry of Natural Resources (Chongqing Institute of;Geology and Mineral Resources), Chongqing 401120, China1.Yantai Ludong Survey and Mapping Co., Ltd., Shandong Province, Yantai Shandong 264004, China;2.Drilling Engineering Technology Research Center of Shandong Provincial Bureau of;Geology & Mineral Resources, Yantai Shandong 264004, China;3.China Ordnance Industry Survey & Geotechnical Institute Co., Ltd., Beijing 100053, China;4.Shandong No.3 Exploration Institute of Geology and Mineral Resources, Yantai Shandong 264004, China;5.Technology Innovation Center of Geohazards Automatic Ministry of Natural Resources (Chongqing Institute of;Geology and Mineral Resources), Chongqing 401120, China
P642.2;TU43