“褐鐵礦”造句
2024年04月26日 20:14:22
有機(jī)物 、
褐鐵礦和氧化錳的含量影響著成礦元素含量的變異.
The contents of organic material, limonite and manganese hydroxides influence the variation of ore element.
含鐵氧化物的礦物有磁鐵礦、赤鐵礦、
褐鐵礦、鈦鐵礦等.
I. oxid, include magnetic iron orered iron ore , brown iron ore, etc.
錳結(jié)核主要由硬錳礦、軟錳礦、
褐鐵礦構(gòu)成.
The mineral components of nodules are mainly pyrolusite, psilomelane and limonite.