Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: Technical principles for the sampling of soil, rock and groundwater (ISO 22475-1:2021)
岩土工程勘察和试验.取样方法和地下水测量.第1部分:土壤、岩石和地下水取样的技术原则(ISO 22475-1-2021);德文版EN ISO 22475-1:2021