地球化学水系测量
geochemical drainage survey
地球化学水系普查
geochemical drainage reconnaissance
长江大学地球化学系
yangtze university
Department of Geochemistry
成都理工大学地球化学系
Chengdu University of Technology
Department of Geochemistry
沉积地球化学
sedimentary geochemistry
geochemistry
sediment geochemistry
Sedimento-geochemical features
沉积地球化学表征
sedimentary geochemistry character
沉积地球化学分区
sedimentary geochemical partitioning
5万水系沉积物测量
50000 Stream Sediment Survey
5 ten thousand hydrographical sedimentary deposits
气水地球化学垒
gas-water geochemical barrier
水-沉积物系统降解
water-sediment degradation
水地球化学测量
water geochemical survey
water-geochemical survey
geochemical drainage survey