“褐铁矿”用英语怎么说？

“褐铁矿”的拼音为：hè tiě kuàng...

有机物 、 褐铁矿和氧化锰的含量影响着成矿元素含量的变异.The contents of organic material, limonite and manganese hydroxides influence the variation of ore element.含铁氧化物的矿物有磁铁矿、赤铁矿、褐铁矿、钛铁矿等.I. oxid, include magnetic iron orered iron ore , brown iro...