 |
| |||
| 褐铁矿 (2Fe₂O₃・3H₂O) | |||
| 褐铁矿 | |||
| 褐铁矿 (2Fe2O3•3H2O) | |||
| 褐铁矿的 | |||
| 禹粮石 (limonitum) | |||
| limonite: 8 phrases in 3 subjects |
| Desert science | 1 |
| Oil / petroleum | 1 |
| Technology | 6 |
|
| |||
| 褐铁矿 (2Fe₂O₃・3H₂O) | |||
| 褐铁矿 | |||
| 褐铁矿 (2Fe2O3•3H2O) | |||
| 褐铁矿的 | |||
| 禹粮石 (limonitum) | |||
| limonite: 8 phrases in 3 subjects |
| Desert science | 1 |
| Oil / petroleum | 1 |
| Technology | 6 |