单词ball clay
un.: 球土；球粘土；块状粘土；陶土
网络: 黏土；球状黏土；球状粘土
陶土
块状粘土
球粘土
球土
Ball clay in Jilin province is one of the earliest recognized and discovered Neogene Period ball clay in China.
吉林球黏土是我国最早甄别和发现的第三纪球黏土。
S. A. Resarches in recent years reveal that a lot of ball clay mineral resources occur in China and ball clay is exported from China.
近年来经过我们专题研究，甄别和发现了大量的球黏土矿区还有深加工产品，改进口为出口。
Characteristics and rational development and utilization of a world-class ball clay deposit in the Nanning area, Guangxi
广西南宁地区所产世界级球粘土的矿床特征与合理开发利用
Manufacturing and Application of Ball Clay
球土的加工和应用
Development of Ball Clay from Dakouqin Mining District of Jilin Province
吉林球黏土大口钦矿区的开发