一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
A widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
应用推荐