unified soil classification system meaning in Chinese
统一土分类法
统一土壤分类法
土的统一分类系统
土壤统一分类法
Examples
- Unified soil classification system
土的统一分类系统 - Unified soil classification system
统一土壤分类法 - Standard classification of soils for engineering purposes unified soil classification system
施工用土壤的标准分类