hard clay meaning in English
硬粘土
硬质陶土
硬质土
硬质粘土
Examples
- The hard clay - soft rock engineering geological information management and analysis system and its application
软岩工程地质信息管理分析系统及其应用 - Use natural hard clay as raw material , melt in electric furnace in the temperature of above 2000 and become into fiber by air blowing
硅酸铝耐火纤维（陶瓷棉） ，以天然硬质粘土或配合料为原料，在2000以上的电炉中熔化，用气流喷吹法成纤。