Methods of testing soils for engineering purposes, Method 5.8.9: Soil compaction and density tests - Nuclear surface moisture-density gauges - Water content of a standard moisture block using comparison against primary blocks
工程用土壤试验方法 方法5.8.9:土壤压实和密度试验-核表面水分密度计-通过与主要块体进行比较的标准水分块体的含水量