ball clay中文什么意思

块状粘土

球土

球粘土

黏土

• ball:    n. 跳舞会；〔俚语〕狂欢会。 gi ...
• clay:    n. 1.黏土；泥土。 2.(相对于 ...
• clay ball:    粘土球; 黏土球

例句与用法

1. Calcium aluminate , kaolin , gypsum flint stone , ball clay
   铝钙渣粘土石膏粉燧石

百科释义

Ball clays are kaolinitic sedimentary clays, that commonly consist of 20-80% kaolinite, 10-25% mica, 6-65% quartz. Localized seams in the same deposit have variations in composition, including the quantity of the major minerals, accessory minerals and carbonaceous materials such as lignite.