DIN EN ISO 17892-12:2018
岩土工程调查和测试 土壤实验室测试 第12部分:液限和塑限的测定(ISO 17892-12:2018);德文版 EN ISO 17892-12:2018
Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits (ISO 17892-12:2018); German version EN ISO 17892-12:2018