IndustryStandardsofthePeople’sRepublicofChina中华人民共和国行业标准JTG3450—2019(EN)FieldTestMethodsofHighwaySubgradeandPavement公路路基路面现场测试规程(英文版)Issuedate:December10,2019Effectivedate:April1,2020IssuedbyMinistryofTransportofthePeople’sRepublicofChinaIndustryStandardsofthePeople’sRepublicofChina中华人民共和国行业标准FieldTestMethodsofHighwaySubgradeandPavement公路路基路面现场测...
