含煤建造 meaning in English
coal bearing formation
Examples
- Calculated mineral composition by chemical composition combined with x - ray powder diffraction analyses showed that the former generally consisted mainly of poorly - crystallized kaolinite and small amounts of illite and quartz , and the later contained well - crystallized predominent kaolinite ( over 95 % )
含煤建造沉积型高岭土一般属铝高硅低型，钾含量低，钛含量明显偏高，矿物组成简单，高岭石含量95 % ，结晶度较好。