一类富含 meaning in Chinese
cys
Examples
- Comparing with other rocks , black shales are actually a series of sedimentary rocks enriching sulfide minerals , organic matters and trace elements such as v , ni , mo , cu , zn etc . thorough studies of black shales weathering have important theoretical , economic and environmental values
与其它岩石类型相比，黑色页岩是一类富含硫化物、有机质以及v 、 ni 、 mo 、 cu 、 zn等微量元素的沉积岩，对该类岩石进行化学风化作用研究具有重要的理论、环境和经济价值。