安徽煤田地质局水文勘探队
hydrogeology exploration team
Anhui Provincial Survey of Coal Geology
地球化学标准元素
geochemical leading elements
地球化学标准样
geochemical standard sample
地球化学标准物质研制
geochemical certified reference material
地球化学标准物质
geochemical standard materials
地球化学背景值
geochemistry background value
heavy metal
geochemical background level
地球化学背景与基准值
geochemical background and baseline
地矿部贵州地勘局地球物理地球化学勘查院
Geophysical and Geochemical Survey
Guizhou Bureau of Geology and Mineral Exploration Development
地层地球化学特征
chemical characteristic of earth layer
地层地球化学对比
geochemical correlation of strata
地表地球化学测量
surface geochemical survey
低缓地球化学异常
weak and gentle geochemical anomaly