өмнөд африк дахь алтны хүдрийн зураг
хүдэр бутлуур - mechdes-engineering . chromite хүдэр баяжуулах chromite хүдэр баяжуулах. CHROMITE USGSChromite boulders and sand are therefore as a rule more abundant in the surface soil than in the solid serpentine beneath Many pros pectors who find boulders of chromite on the surface feel confident that there is a large body of chromite …