Class A: areal geology survey; hydrogeology survey; engineering geology survey; environment geology survey; geophysical exploration; geochemical exploration; rock ore appraisal and testing.
英
美
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56612812甲级:区域地质调查;水文地质调查;工程地质调查;环境地质调查;地球物理勘查;地球化学勘查;岩矿鉴定与岩矿测试。